2,990,617

7³ × 8719

2,990,617 factors as 7^3 × 8719. Its 8 positive divisors give a proper-divisor sum of 497,383, so this integer is deficient. The Collatz stopping time is 226 steps.

Prime Factor Structure

Factorization String 7^3 × 8719

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,488,000

Proper Divisor Sum 497,383

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2990609 ← → #2990629

Radix Representation

Decimal	2990617
Binary	1011011010001000011001 (22 bits)
Octal	0o13321031
Hexadecimal	0x2DA219

Divisor Catalog (8)

1 7 49 343 8,719 61,033 427,231 2,990,617

Collatz Trajectory (226 steps to reach 1)

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

2,990,617 8,971,852 4,485,926 2,242,963 6,728,890 3,364,445 10,093,336 5,046,668 2,523,334 1,261,667 3,785,002 1,892,501 5,677,504 2,838,752 1,419,376 709,688 354,844 177,422 88,711 266,134 133,067 399,202 199,601 598,804 299,402 149,701 449,104 224,552 112,276 56,138 28,069 84,208 42,104 21,052 10,526 5,263 15,790 7,895 23,686 11,843 35,530 17,765 53,296 26,648 13,324 6,662 3,331 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166

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