71,017,146

2 × 3² × 23 × 171539

71,017,146 factors as 2 × 3^2 × 23 × 171539. Its 24 positive divisors give a proper-divisor sum of 89,544,294, so this integer is abundant. The Collatz stopping time is 145 steps.

Prime Factor Structure

Factorization String 2 × 3^2 × 23 × 171539

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 160,561,440

Proper Divisor Sum 89,544,294

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #71017099 ← → #71017147

Radix Representation

Decimal	71017146
Binary	100001110111010001010111010 (27 bits)
Octal	0o416721272
Hexadecimal	0x43BA2BA

Divisor Catalog (24)

Collatz Trajectory (145 steps to reach 1)

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

71,017,146 35,508,573 106,525,720 53,262,860 26,631,430 13,315,715 39,947,146 19,973,573 59,920,720 29,960,360 14,980,180 7,490,090 3,745,045 11,235,136 5,617,568 2,808,784 1,404,392 702,196 351,098 175,549 526,648 263,324 131,662 65,831 197,494 98,747 296,242 148,121 444,364 222,182 111,091 333,274 166,637 499,912 249,956 124,978 62,489 187,468 93,734 46,867 140,602 70,301 210,904 105,452 52,726 26,363 79,090 39,545 118,636 59,318 29,659 88,978 44,489 133,468 66,734 33,367 100,102 50,051 150,154 75,077

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