1,490,146

2 × 7 × 163 × 653

1,490,146 factors as 2 × 7 × 163 × 653. Its 16 positive divisors give a proper-divisor sum of 1,083,998, so this integer is deficient. The Collatz stopping time is 137 steps.

Prime Factor Structure

Factorization String 2 × 7 × 163 × 653

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,574,144

Proper Divisor Sum 1,083,998

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1490129 ← → #1490161

Radix Representation

Decimal	1490146
Binary	101101011110011100010 (21 bits)
Octal	0o5536342
Hexadecimal	0x16BCE2

Divisor Catalog (16)

1 2 7 14 163 326 653 1,141 1,306 2,282 4,571 9,142 106,439 212,878 745,073 1,490,146

Collatz Trajectory (137 steps to reach 1)

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

1,490,146 745,073 2,235,220 1,117,610 558,805 1,676,416 838,208 419,104 209,552 104,776 52,388 26,194 13,097 39,292 19,646 9,823 29,470 14,735 44,206 22,103 66,310 33,155 99,466 49,733 149,200 74,600 37,300 18,650 9,325 27,976 13,988 6,994 3,497 10,492 5,246 2,623 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467 1,402 701 2,104 1,052 526 263

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