8,428,749

3 × 7 × 53 × 7573

The decimal integer 8,428,749 is 100000001001110011001101 in binary (24 bits), 40116315 in octal and 809CCD in hexadecimal. Its digit sum is 42.

Prime Factor Structure

Factorization String 3 × 7 × 53 × 7573

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 13,087,872

Proper Divisor Sum 4,659,123

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #8428729 ← → #8428759

Radix Representation

Decimal	8428749
Binary	100000001001110011001101 (24 bits)
Octal	0o40116315
Hexadecimal	0x809CCD

Divisor Catalog (16)

1 3 7 21 53 159 371 1,113 7,573 22,719 53,011 159,033 401,369 1,204,107 2,809,583 8,428,749

Collatz Trajectory (62 steps to reach 1)

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

8,428,749 25,286,248 12,643,124 6,321,562 3,160,781 9,482,344 4,741,172 2,370,586 1,185,293 3,555,880 1,777,940 888,970 444,485 1,333,456 666,728 333,364 166,682 83,341 250,024 125,012 62,506 31,253 93,760 46,880 23,440 11,720 5,860 2,930 1,465 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 3,712 1,856 928 464 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8

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