25,518,007

19² × 70687

25,518,007 factors as 19^2 × 70687. Its 6 positive divisors give a proper-divisor sum of 1,414,121, so this integer is deficient. The Collatz stopping time is 273 steps.

Prime Factor Structure

Factorization String 19^2 × 70687

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 26,932,128

Proper Divisor Sum 1,414,121

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #25517993 ← → #25518023

Radix Representation

Decimal	25518007
Binary	1100001010101111110110111 (25 bits)
Octal	0o141257667
Hexadecimal	0x1855FB7

Divisor Catalog (6)

1 19 361 70,687 1,343,053 25,518,007

Collatz Trajectory (273 steps to reach 1)

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

25,518,007 76,554,022 38,277,011 114,831,034 57,415,517 172,246,552 86,123,276 43,061,638 21,530,819 64,592,458 32,296,229 96,888,688 48,444,344 24,222,172 12,111,086 6,055,543 18,166,630 9,083,315 27,249,946 13,624,973 40,874,920 20,437,460 10,218,730 5,109,365 15,328,096 7,664,048 3,832,024 1,916,012 958,006 479,003 1,437,010 718,505 2,155,516 1,077,758 538,879 1,616,638 808,319 2,424,958 1,212,479 3,637,438 1,818,719 5,456,158 2,728,079 8,184,238 4,092,119 12,276,358 6,138,179 18,414,538 9,207,269 27,621,808 13,810,904 6,905,452 3,452,726 1,726,363 5,179,090 2,589,545 7,768,636 3,884,318 1,942,159 5,826,478

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