422,690

2 × 5 × 43 × 983

422,690 factors as 2 × 5 × 43 × 983. Its 16 positive divisors give a proper-divisor sum of 356,638, so this integer is deficient. The Collatz stopping time is 156 steps.

Prime Factor Structure

Factorization String 2 × 5 × 43 × 983

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 779,328

Proper Divisor Sum 356,638

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #422689 ← → #422701

Radix Representation

Decimal	422690
Binary	1100111001100100010 (19 bits)
Octal	0o1471442
Hexadecimal	0x67322

Divisor Catalog (16)

1 2 5 10 43 86 215 430 983 1,966 4,915 9,830 42,269 84,538 211,345 422,690

Collatz Trajectory (156 steps to reach 1)

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

422,690 211,345 634,036 317,018 158,509 475,528 237,764 118,882 59,441 178,324 89,162 44,581 133,744 66,872 33,436 16,718 8,359 25,078 12,539 37,618 18,809 56,428 28,214 14,107 42,322 21,161 63,484 31,742 15,871 47,614 23,807 71,422 35,711 107,134 53,567 160,702 80,351 241,054 120,527 361,582 180,791 542,374 271,187 813,562 406,781 1,220,344 610,172 305,086 152,543 457,630 228,815 686,446 343,223 1,029,670 514,835 1,544,506 772,253 2,316,760 1,158,380 579,190

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