15,091,372

2² × 137 × 27539

15,091,372 factors as 2^2 × 137 × 27539. Its 12 positive divisors give a proper-divisor sum of 11,512,268, so this integer is deficient. The Collatz stopping time is 205 steps.

Prime Factor Structure

Factorization String 2^2 × 137 × 27539

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 26,603,640

Proper Divisor Sum 11,512,268

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #15091367 ← → #15091399

Radix Representation

Decimal	15091372
Binary	111001100100011010101100 (24 bits)
Octal	0o71443254
Hexadecimal	0xE646AC

Divisor Catalog (12)

1 2 4 137 274 548 27,539 55,078 110,156 3,772,843 7,545,686 15,091,372

Collatz Trajectory (205 steps to reach 1)

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

15,091,372 7,545,686 3,772,843 11,318,530 5,659,265 16,977,796 8,488,898 4,244,449 12,733,348 6,366,674 3,183,337 9,550,012 4,775,006 2,387,503 7,162,510 3,581,255 10,743,766 5,371,883 16,115,650 8,057,825 24,173,476 12,086,738 6,043,369 18,130,108 9,065,054 4,532,527 13,597,582 6,798,791 20,396,374 10,198,187 30,594,562 15,297,281 45,891,844 22,945,922 11,472,961 34,418,884 17,209,442 8,604,721 25,814,164 12,907,082 6,453,541 19,360,624 9,680,312 4,840,156 2,420,078 1,210,039 3,630,118 1,815,059 5,445,178 2,722,589 8,167,768 4,083,884 2,041,942 1,020,971 3,062,914 1,531,457 4,594,372 2,297,186 1,148,593 3,445,780

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