31,645,618

2 × 15822809

31,645,618 factors as 2 × 15822809. Its 4 positive divisors give a proper-divisor sum of 15,822,812, so this integer is deficient. The Collatz stopping time is 69 steps.

Prime Factor Structure

Factorization String 2 × 15822809

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 47,468,430

Proper Divisor Sum 15,822,812

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #31645613 ← → #31645633

Radix Representation

Decimal	31645618
Binary	1111000101101111110110010 (25 bits)
Octal	0o170557662
Hexadecimal	0x1E2DFB2

Divisor Catalog (4)

1 2 15,822,809 31,645,618

Collatz Trajectory (69 steps to reach 1)

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

31,645,618 15,822,809 47,468,428 23,734,214 11,867,107 35,601,322 17,800,661 53,401,984 26,700,992 13,350,496 6,675,248 3,337,624 1,668,812 834,406 417,203 1,251,610 625,805 1,877,416 938,708 469,354 234,677 704,032 352,016 176,008 88,004 44,002 22,001 66,004 33,002 16,501 49,504 24,752 12,376 6,188 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160

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