λ
Ratio Atlas

72,629,581

1847 × 39323
Deficient Odd Composite

72,629,581 factors as 1847 × 39323. Its 4 positive divisors give a proper-divisor sum of 41,171, so this integer is deficient. The Collatz stopping time is 184 steps.

Prime Factor Structure

Factorization String 1847 × 39323
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 72,670,752
Proper Divisor Sum 41,171
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #72629569 ← → #72629587

Radix Representation

Decimal 72629581
Binary 100010101000011110101001101 (27 bits)
Octal 0o425036515
Hexadecimal 0x4543D4D

Divisor Catalog (4)

Collatz Trajectory (184 steps to reach 1)

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

72,629,581 217,888,744 108,944,372 54,472,186 27,236,093 81,708,280 40,854,140 20,427,070 10,213,535 30,640,606 15,320,303 45,960,910 22,980,455 68,941,366 34,470,683 103,412,050 51,706,025 155,118,076 77,559,038 38,779,519 116,338,558 58,169,279 174,507,838 87,253,919 261,761,758 130,880,879 392,642,638 196,321,319 588,963,958 294,481,979 883,445,938 441,722,969 1,325,168,908 662,584,454 331,292,227 993,876,682 496,938,341 1,490,815,024 745,407,512 372,703,756 186,351,878 93,175,939 279,527,818 139,763,909 419,291,728 209,645,864 104,822,932 52,411,466 26,205,733 78,617,200 39,308,600 19,654,300 9,827,150 4,913,575 14,740,726 7,370,363 22,111,090 11,055,545 33,166,636 16,583,318

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