25,825,880

2³ × 5 × 645647

25,825,880 factors as 2^3 × 5 × 645647. Its 16 positive divisors give a proper-divisor sum of 32,282,440, so this integer is abundant. The Collatz stopping time is 79 steps.

Prime Factor Structure

Factorization String 2^3 × 5 × 645647

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 58,108,320

Proper Divisor Sum 32,282,440

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #25825879 ← → #25825913

Radix Representation

Decimal	25825880
Binary	1100010100001001001011000 (25 bits)
Octal	0o142411130
Hexadecimal	0x18A1258

Divisor Catalog (16)

1 2 4 5 8 10 20 40 645,647 1,291,294 2,582,588 3,228,235 5,165,176 6,456,470 12,912,940 25,825,880

Collatz Trajectory (79 steps to reach 1)

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

25,825,880 12,912,940 6,456,470 3,228,235 9,684,706 4,842,353 14,527,060 7,263,530 3,631,765 10,895,296 5,447,648 2,723,824 1,361,912 680,956 340,478 170,239 510,718 255,359 766,078 383,039 1,149,118 574,559 1,723,678 861,839 2,585,518 1,292,759 3,878,278 1,939,139 5,817,418 2,908,709 8,726,128 4,363,064 2,181,532 1,090,766 545,383 1,636,150 818,075 2,454,226 1,227,113 3,681,340 1,840,670 920,335 2,761,006 1,380,503 4,141,510 2,070,755 6,212,266 3,106,133 9,318,400 4,659,200 2,329,600 1,164,800 582,400 291,200 145,600 72,800 36,400 18,200 9,100 4,550

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