25,257,566

2 × 12628783

25,257,566 factors as 2 × 12628783. Its 4 positive divisors give a proper-divisor sum of 12,628,786, so this integer is deficient. The Collatz stopping time is 348 steps.

Prime Factor Structure

Factorization String 2 × 12628783

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 37,886,352

Proper Divisor Sum 12,628,786

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #25257553 ← → #25257571

Radix Representation

Decimal	25257566
Binary	1100000010110011001011110 (25 bits)
Octal	0o140263136
Hexadecimal	0x181665E

Divisor Catalog (4)

1 2 12,628,783 25,257,566

Collatz Trajectory (348 steps to reach 1)

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

25,257,566 12,628,783 37,886,350 18,943,175 56,829,526 28,414,763 85,244,290 42,622,145 127,866,436 63,933,218 31,966,609 95,899,828 47,949,914 23,974,957 71,924,872 35,962,436 17,981,218 8,990,609 26,971,828 13,485,914 6,742,957 20,228,872 10,114,436 5,057,218 2,528,609 7,585,828 3,792,914 1,896,457 5,689,372 2,844,686 1,422,343 4,267,030 2,133,515 6,400,546 3,200,273 9,600,820 4,800,410 2,400,205 7,200,616 3,600,308 1,800,154 900,077 2,700,232 1,350,116 675,058 337,529 1,012,588 506,294 253,147 759,442 379,721 1,139,164 569,582 284,791 854,374 427,187 1,281,562 640,781 1,922,344 961,172

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