λ
Ratio Atlas

71,908,489

71908489
Deficient Odd Prime

71,908,489 factors as 71908489. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 233 steps.

Prime Factor Structure

Factorization String 71908489
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 71,908,490
Proper Divisor Sum 1
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #71908481 ← → #71908541

Radix Representation

Decimal 71908489
Binary 100010010010011110010001001 (27 bits)
Octal 0o422236211
Hexadecimal 0x4493C89

Divisor Catalog (2)

Collatz Trajectory (233 steps to reach 1)

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

71,908,489 215,725,468 107,862,734 53,931,367 161,794,102 80,897,051 242,691,154 121,345,577 364,036,732 182,018,366 91,009,183 273,027,550 136,513,775 409,541,326 204,770,663 614,311,990 307,155,995 921,467,986 460,733,993 1,382,201,980 691,100,990 345,550,495 1,036,651,486 518,325,743 1,554,977,230 777,488,615 2,332,465,846 1,166,232,923 3,498,698,770 1,749,349,385 5,248,048,156 2,624,024,078 1,312,012,039 3,936,036,118 1,968,018,059 5,904,054,178 2,952,027,089 8,856,081,268 4,428,040,634 2,214,020,317 6,642,060,952 3,321,030,476 1,660,515,238 830,257,619 2,490,772,858 1,245,386,429 3,736,159,288 1,868,079,644 934,039,822 467,019,911 1,401,059,734 700,529,867 2,101,589,602 1,050,794,801 3,152,384,404 1,576,192,202 788,096,101 2,364,288,304 1,182,144,152 591,072,076

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