1,625,215

5 × 325043

1,625,215 factors as 5 × 325043. Its 4 positive divisors give a proper-divisor sum of 325,049, so this integer is deficient. The Collatz stopping time is 269 steps.

Prime Factor Structure

Factorization String 5 × 325043

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,950,264

Proper Divisor Sum 325,049

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1625209 ← → #1625227

Radix Representation

Decimal	1625215
Binary	110001100110001111111 (21 bits)
Octal	0o6146177
Hexadecimal	0x18CC7F

Divisor Catalog (4)

1 5 325,043 1,625,215

Collatz Trajectory (269 steps to reach 1)

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

1,625,215 4,875,646 2,437,823 7,313,470 3,656,735 10,970,206 5,485,103 16,455,310 8,227,655 24,682,966 12,341,483 37,024,450 18,512,225 55,536,676 27,768,338 13,884,169 41,652,508 20,826,254 10,413,127 31,239,382 15,619,691 46,859,074 23,429,537 70,288,612 35,144,306 17,572,153 52,716,460 26,358,230 13,179,115 39,537,346 19,768,673 59,306,020 29,653,010 14,826,505 44,479,516 22,239,758 11,119,879 33,359,638 16,679,819 50,039,458 25,019,729 75,059,188 37,529,594 18,764,797 56,294,392 28,147,196 14,073,598 7,036,799 21,110,398 10,555,199 31,665,598 15,832,799 47,498,398 23,749,199 71,247,598 35,623,799 106,871,398 53,435,699 160,307,098 80,153,549

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