28,872,004

2² × 7 × 59 × 17477

28,872,004 factors as 2^2 × 7 × 59 × 17477. Its 24 positive divisors give a proper-divisor sum of 29,854,076, so this integer is abundant. The Collatz stopping time is 175 steps.

Prime Factor Structure

Factorization String 2^2 × 7 × 59 × 17477

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 58,726,080

Proper Divisor Sum 29,854,076

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #28871993 ← → #28872013

Radix Representation

Decimal	28872004
Binary	1101110001000110101000100 (25 bits)
Octal	0o156106504
Hexadecimal	0x1B88D44

Divisor Catalog (24)

Collatz Trajectory (175 steps to reach 1)

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

28,872,004 14,436,002 7,218,001 21,654,004 10,827,002 5,413,501 16,240,504 8,120,252 4,060,126 2,030,063 6,090,190 3,045,095 9,135,286 4,567,643 13,702,930 6,851,465 20,554,396 10,277,198 5,138,599 15,415,798 7,707,899 23,123,698 11,561,849 34,685,548 17,342,774 8,671,387 26,014,162 13,007,081 39,021,244 19,510,622 9,755,311 29,265,934 14,632,967 43,898,902 21,949,451 65,848,354 32,924,177 98,772,532 49,386,266 24,693,133 74,079,400 37,039,700 18,519,850 9,259,925 27,779,776 13,889,888 6,944,944 3,472,472 1,736,236 868,118 434,059 1,302,178 651,089 1,953,268 976,634 488,317 1,464,952 732,476 366,238 183,119

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