15,075,428

2² × 37² × 2753

15,075,428 factors as 2^2 × 37^2 × 2753. Its 18 positive divisors give a proper-divisor sum of 12,048,718, so this integer is deficient. The Collatz stopping time is 174 steps.

Prime Factor Structure

Factorization String 2^2 × 37^2 × 2753

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 27,124,146

Proper Divisor Sum 12,048,718

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #15075421 ← → #15075433

Radix Representation

Decimal	15075428
Binary	111001100000100001100100 (24 bits)
Octal	0o71404144
Hexadecimal	0xE60864

Divisor Catalog (18)

1 2 4 37 74 148 1,369 2,738 2,753 5,476 5,506 11,012 101,861 203,722 407,444 3,768,857 7,537,714 15,075,428

Collatz Trajectory (174 steps to reach 1)

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

15,075,428 7,537,714 3,768,857 11,306,572 5,653,286 2,826,643 8,479,930 4,239,965 12,719,896 6,359,948 3,179,974 1,589,987 4,769,962 2,384,981 7,154,944 3,577,472 1,788,736 894,368 447,184 223,592 111,796 55,898 27,949 83,848 41,924 20,962 10,481 31,444 15,722 7,861 23,584 11,792 5,896 2,948 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666

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