25,956,940

2² × 5 × 1297847

25,956,940 factors as 2^2 × 5 × 1297847. Its 12 positive divisors give a proper-divisor sum of 28,552,676, so this integer is abundant. The Collatz stopping time is 118 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 1297847

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 54,509,616

Proper Divisor Sum 28,552,676

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #25956929 ← → #25956947

Radix Representation

Decimal	25956940
Binary	1100011000001001001001100 (25 bits)
Octal	0o143011114
Hexadecimal	0x18C124C

Divisor Catalog (12)

1 2 4 5 10 20 1,297,847 2,595,694 5,191,388 6,489,235 12,978,470 25,956,940

Collatz Trajectory (118 steps to reach 1)

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

25,956,940 12,978,470 6,489,235 19,467,706 9,733,853 29,201,560 14,600,780 7,300,390 3,650,195 10,950,586 5,475,293 16,425,880 8,212,940 4,106,470 2,053,235 6,159,706 3,079,853 9,239,560 4,619,780 2,309,890 1,154,945 3,464,836 1,732,418 866,209 2,598,628 1,299,314 649,657 1,948,972 974,486 487,243 1,461,730 730,865 2,192,596 1,096,298 548,149 1,644,448 822,224 411,112 205,556 102,778 51,389 154,168 77,084 38,542 19,271 57,814 28,907 86,722 43,361 130,084 65,042 32,521 97,564 48,782 24,391 73,174 36,587 109,762 54,881 164,644

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