5,287,940

2² × 5 × 7 × 107 × 353

Starting at 5,287,940, the Collatz iteration reaches 1 after 126 steps. The first transition is 2643970; the starting value is even with 48 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 107 × 353

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 12,845,952

Proper Divisor Sum 7,558,012

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #5287937 ← → #5287943

Radix Representation

Decimal	5287940
Binary	10100001011000000000100 (23 bits)
Octal	0o24130004
Hexadecimal	0x50B004

Divisor Catalog (48)

1 2 4 5 7 10 14 20 28 35 70 107 140 214 353 428 535 706 749 1,070 1,412 1,498 1,765 2,140 2,471 2,996 3,530 3,745 4,942 7,060 7,490 9,884 12,355 14,980 24,710 37,771 49,420 75,542 151,084 188,855 264,397 377,710 528,794 755,420 1,057,588 1,321,985 2,643,970 5,287,940

Collatz Trajectory (126 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

5,287,940 2,643,970 1,321,985 3,965,956 1,982,978 991,489 2,974,468 1,487,234 743,617 2,230,852 1,115,426 557,713 1,673,140 836,570 418,285 1,254,856 627,428 313,714 156,857 470,572 235,286 117,643 352,930 176,465 529,396 264,698 132,349 397,048 198,524 99,262 49,631 148,894 74,447 223,342 111,671 335,014 167,507 502,522 251,261 753,784 376,892 188,446 94,223 282,670 141,335 424,006 212,003 636,010 318,005 954,016 477,008 238,504 119,252 59,626 29,813 89,440 44,720 22,360 11,180 5,590

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