25,757,740

2² × 5 × 1287887

25,757,740 factors as 2^2 × 5 × 1287887. Its 12 positive divisors give a proper-divisor sum of 28,333,556, so this integer is abundant. The Collatz stopping time is 167 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 1287887

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 54,091,296

Proper Divisor Sum 28,333,556

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #25757707 ← → #25757741

Radix Representation

Decimal	25757740
Binary	1100010010000100000101100 (25 bits)
Octal	0o142204054
Hexadecimal	0x189082C

Divisor Catalog (12)

1 2 4 5 10 20 1,287,887 2,575,774 5,151,548 6,439,435 12,878,870 25,757,740

Collatz Trajectory (167 steps to reach 1)

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

25,757,740 12,878,870 6,439,435 19,318,306 9,659,153 28,977,460 14,488,730 7,244,365 21,733,096 10,866,548 5,433,274 2,716,637 8,149,912 4,074,956 2,037,478 1,018,739 3,056,218 1,528,109 4,584,328 2,292,164 1,146,082 573,041 1,719,124 859,562 429,781 1,289,344 644,672 322,336 161,168 80,584 40,292 20,146 10,073 30,220 15,110 7,555 22,666 11,333 34,000 17,000 8,500 4,250 2,125 6,376 3,188 1,594 797 2,392 1,196 598 299 898 449 1,348 674 337 1,012 506 253 760

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