λ
Sigma Notebook

7,527,385

5 × 29 × 51913
Deficient Odd Composite

7,527,385 is odd and not a perfect square. Its factorization is 5 × 29 × 51913 and its 8 divisors sum to 9,344,520.

Prime Factor Structure

Factorization String 5 × 29 × 51913
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,344,520
Proper Divisor Sum 1,817,135
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #7527367 ← → #7527419

Radix Representation

Decimal 7527385
Binary 11100101101101111011001 (23 bits)
Octal 0o34555731
Hexadecimal 0x72DBD9

Divisor Catalog (8)

1 5 29 145 51,913 259,565 1,505,477 7,527,385

Collatz Trajectory (155 steps to reach 1)

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

7,527,385 22,582,156 11,291,078 5,645,539 16,936,618 8,468,309 25,404,928 12,702,464 6,351,232 3,175,616 1,587,808 793,904 396,952 198,476 99,238 49,619 148,858 74,429 223,288 111,644 55,822 27,911 83,734 41,867 125,602 62,801 188,404 94,202 47,101 141,304 70,652 35,326 17,663 52,990 26,495 79,486 39,743 119,230 59,615 178,846 89,423 268,270 134,135 402,406 201,203 603,610 301,805 905,416 452,708 226,354 113,177 339,532 169,766 84,883 254,650 127,325 381,976 190,988 95,494 47,747

More profiles

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