31,521,272

2³ × 3940159

31,521,272 factors as 2^3 × 3940159. Its 8 positive divisors give a proper-divisor sum of 27,581,128, so this integer is deficient. The Collatz stopping time is 312 steps.

Prime Factor Structure

Factorization String 2^3 × 3940159

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 59,102,400

Proper Divisor Sum 27,581,128

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #31521271 ← → #31521311

Radix Representation

Decimal	31521272
Binary	1111000001111100111111000 (25 bits)
Octal	0o170174770
Hexadecimal	0x1E0F9F8

Divisor Catalog (8)

1 2 4 8 3,940,159 7,880,318 15,760,636 31,521,272

Collatz Trajectory (312 steps to reach 1)

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

31,521,272 15,760,636 7,880,318 3,940,159 11,820,478 5,910,239 17,730,718 8,865,359 26,596,078 13,298,039 39,894,118 19,947,059 59,841,178 29,920,589 89,761,768 44,880,884 22,440,442 11,220,221 33,660,664 16,830,332 8,415,166 4,207,583 12,622,750 6,311,375 18,934,126 9,467,063 28,401,190 14,200,595 42,601,786 21,300,893 63,902,680 31,951,340 15,975,670 7,987,835 23,963,506 11,981,753 35,945,260 17,972,630 8,986,315 26,958,946 13,479,473 40,438,420 20,219,210 10,109,605 30,328,816 15,164,408 7,582,204 3,791,102 1,895,551 5,686,654 2,843,327 8,529,982 4,264,991 12,794,974 6,397,487 19,192,462 9,596,231 28,788,694 14,394,347 43,183,042

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