18,738,550

2 × 5² × 374771

18,738,550 factors as 2 × 5^2 × 374771. Its 12 positive divisors give a proper-divisor sum of 16,115,246, so this integer is deficient. The Collatz stopping time is 102 steps.

Prime Factor Structure

Factorization String 2 × 5^2 × 374771

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 34,853,796

Proper Divisor Sum 16,115,246

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #18738547 ← → #18738581

Radix Representation

Decimal	18738550
Binary	1000111011110110101110110 (25 bits)
Octal	0o107366566
Hexadecimal	0x11DED76

Divisor Catalog (12)

1 2 5 10 25 50 374,771 749,542 1,873,855 3,747,710 9,369,275 18,738,550

Collatz Trajectory (102 steps to reach 1)

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

18,738,550 9,369,275 28,107,826 14,053,913 42,161,740 21,080,870 10,540,435 31,621,306 15,810,653 47,431,960 23,715,980 11,857,990 5,928,995 17,786,986 8,893,493 26,680,480 13,340,240 6,670,120 3,335,060 1,667,530 833,765 2,501,296 1,250,648 625,324 312,662 156,331 468,994 234,497 703,492 351,746 175,873 527,620 263,810 131,905 395,716 197,858 98,929 296,788 148,394 74,197 222,592 111,296 55,648 27,824 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551

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