13,487,525

5² × 539501

13,487,525 factors as 5^2 × 539501. Its 6 positive divisors give a proper-divisor sum of 3,237,037, so this integer is deficient. The Collatz stopping time is 161 steps.

Prime Factor Structure

Factorization String 5^2 × 539501

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 16,724,562

Proper Divisor Sum 3,237,037

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #13487521 ← → #13487531

Radix Representation

Decimal	13487525
Binary	110011011100110110100101 (24 bits)
Octal	0o63346645
Hexadecimal	0xCDCDA5

Divisor Catalog (6)

1 5 25 539,501 2,697,505 13,487,525

Collatz Trajectory (161 steps to reach 1)

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

13,487,525 40,462,576 20,231,288 10,115,644 5,057,822 2,528,911 7,586,734 3,793,367 11,380,102 5,690,051 17,070,154 8,535,077 25,605,232 12,802,616 6,401,308 3,200,654 1,600,327 4,800,982 2,400,491 7,201,474 3,600,737 10,802,212 5,401,106 2,700,553 8,101,660 4,050,830 2,025,415 6,076,246 3,038,123 9,114,370 4,557,185 13,671,556 6,835,778 3,417,889 10,253,668 5,126,834 2,563,417 7,690,252 3,845,126 1,922,563 5,767,690 2,883,845 8,651,536 4,325,768 2,162,884 1,081,442 540,721 1,622,164 811,082 405,541 1,216,624 608,312 304,156 152,078 76,039 228,118 114,059 342,178 171,089 513,268

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