28,426,108

2² × 17 × 418031

28,426,108 factors as 2^2 × 17 × 418031. Its 12 positive divisors give a proper-divisor sum of 24,245,924, so this integer is deficient. The Collatz stopping time is 206 steps.

Prime Factor Structure

Factorization String 2^2 × 17 × 418031

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 52,672,032

Proper Divisor Sum 24,245,924

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #28426087 ← → #28426121

Radix Representation

Decimal	28426108
Binary	1101100011011111101111100 (25 bits)
Octal	0o154337574
Hexadecimal	0x1B1BF7C

Divisor Catalog (12)

1 2 4 17 34 68 418,031 836,062 1,672,124 7,106,527 14,213,054 28,426,108

Collatz Trajectory (206 steps to reach 1)

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

28,426,108 14,213,054 7,106,527 21,319,582 10,659,791 31,979,374 15,989,687 47,969,062 23,984,531 71,953,594 35,976,797 107,930,392 53,965,196 26,982,598 13,491,299 40,473,898 20,236,949 60,710,848 30,355,424 15,177,712 7,588,856 3,794,428 1,897,214 948,607 2,845,822 1,422,911 4,268,734 2,134,367 6,403,102 3,201,551 9,604,654 4,802,327 14,406,982 7,203,491 21,610,474 10,805,237 32,415,712 16,207,856 8,103,928 4,051,964 2,025,982 1,012,991 3,038,974 1,519,487 4,558,462 2,279,231 6,837,694 3,418,847 10,256,542 5,128,271 15,384,814 7,692,407 23,077,222 11,538,611 34,615,834 17,307,917 51,923,752 25,961,876 12,980,938 6,490,469

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