1,888,580

2² × 5 × 89 × 1061

1,888,580 factors as 2^2 × 5 × 89 × 1061. Its 24 positive divisors give a proper-divisor sum of 2,125,780, so this integer is abundant. The Collatz stopping time is 140 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 89 × 1061

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 4,014,360

Proper Divisor Sum 2,125,780

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1888571 ← → #1888597

Radix Representation

Decimal	1888580
Binary	111001101000101000100 (21 bits)
Octal	0o7150504
Hexadecimal	0x1CD144

Divisor Catalog (24)

1 2 4 5 10 20 89 178 356 445 890 1,061 1,780 2,122 4,244 5,305 10,610 21,220 94,429 188,858 377,716 472,145 944,290 1,888,580

Collatz Trajectory (140 steps to reach 1)

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

1,888,580 944,290 472,145 1,416,436 708,218 354,109 1,062,328 531,164 265,582 132,791 398,374 199,187 597,562 298,781 896,344 448,172 224,086 112,043 336,130 168,065 504,196 252,098 126,049 378,148 189,074 94,537 283,612 141,806 70,903 212,710 106,355 319,066 159,533 478,600 239,300 119,650 59,825 179,476 89,738 44,869 134,608 67,304 33,652 16,826 8,413 25,240 12,620 6,310 3,155 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986

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