12,455,645

5 × 17 × 29 × 31 × 163

12,455,645 factors as 5 × 17 × 29 × 31 × 163. Its 32 positive divisors give a proper-divisor sum of 4,547,875, so this integer is deficient. The Collatz stopping time is 78 steps.

Prime Factor Structure

Factorization String 5 × 17 × 29 × 31 × 163

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 17,003,520

Proper Divisor Sum 4,547,875

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #12455633 ← → #12455647

Radix Representation

Decimal	12455645
Binary	101111100000111011011101 (24 bits)
Octal	0o57407335
Hexadecimal	0xBE0EDD

Divisor Catalog (32)

Collatz Trajectory (78 steps to reach 1)

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

12,455,645 37,366,936 18,683,468 9,341,734 4,670,867 14,012,602 7,006,301 21,018,904 10,509,452 5,254,726 2,627,363 7,882,090 3,941,045 11,823,136 5,911,568 2,955,784 1,477,892 738,946 369,473 1,108,420 554,210 277,105 831,316 415,658 207,829 623,488 311,744 155,872 77,936 38,968 19,484 9,742 4,871 14,614 7,307 21,922 10,961 32,884 16,442 8,221 24,664 12,332 6,166 3,083 9,250 4,625 13,876 6,938 3,469 10,408 5,204 2,602 1,301 3,904 1,952 976 488 244 122 61

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