13,664,572

2² × 19² × 9463

13,664,572 factors as 2^2 × 19^2 × 9463. Its 18 positive divisors give a proper-divisor sum of 11,575,916, so this integer is deficient. The Collatz stopping time is 130 steps.

Prime Factor Structure

Factorization String 2^2 × 19^2 × 9463

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 25,240,488

Proper Divisor Sum 11,575,916

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #13664569 ← → #13664587

Radix Representation

Decimal	13664572
Binary	110100001000000100111100 (24 bits)
Octal	0o64100474
Hexadecimal	0xD0813C

Divisor Catalog (18)

1 2 4 19 38 76 361 722 1,444 9,463 18,926 37,852 179,797 359,594 719,188 3,416,143 6,832,286 13,664,572

Collatz Trajectory (130 steps to reach 1)

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

13,664,572 6,832,286 3,416,143 10,248,430 5,124,215 15,372,646 7,686,323 23,058,970 11,529,485 34,588,456 17,294,228 8,647,114 4,323,557 12,970,672 6,485,336 3,242,668 1,621,334 810,667 2,432,002 1,216,001 3,648,004 1,824,002 912,001 2,736,004 1,368,002 684,001 2,052,004 1,026,002 513,001 1,539,004 769,502 384,751 1,154,254 577,127 1,731,382 865,691 2,597,074 1,298,537 3,895,612 1,947,806 973,903 2,921,710 1,460,855 4,382,566 2,191,283 6,573,850 3,286,925 9,860,776 4,930,388 2,465,194 1,232,597 3,697,792 1,848,896 924,448 462,224 231,112 115,556 57,778 28,889 86,668

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