778,478

2 × 109 × 3571

778,478 factors as 2 × 109 × 3571. Its 8 positive divisors give a proper-divisor sum of 400,282, so this integer is deficient. The Collatz stopping time is 74 steps.

Prime Factor Structure

Factorization String 2 × 109 × 3571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,178,760

Proper Divisor Sum 400,282

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #778469 ← → #778507

Radix Representation

Decimal	778478
Binary	10111110000011101110 (20 bits)
Octal	0o2760356
Hexadecimal	0xBE0EE

Divisor Catalog (8)

1 2 109 218 3,571 7,142 389,239 778,478

Collatz Trajectory (74 steps to reach 1)

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

778,478 389,239 1,167,718 583,859 1,751,578 875,789 2,627,368 1,313,684 656,842 328,421 985,264 492,632 246,316 123,158 61,579 184,738 92,369 277,108 138,554 69,277 207,832 103,916 51,958 25,979 77,938 38,969 116,908 58,454 29,227 87,682 43,841 131,524 65,762 32,881 98,644 49,322 24,661 73,984 36,992 18,496 9,248 4,624 2,312 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23

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