648,422

2 × 324211

648,422 factors as 2 × 324211. Its 4 positive divisors give a proper-divisor sum of 324,214, so this integer is deficient. The Collatz stopping time is 216 steps.

Prime Factor Structure

Factorization String 2 × 324211

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 972,636

Proper Divisor Sum 324,214

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #648391 ← → #648433

Radix Representation

Decimal	648422
Binary	10011110010011100110 (20 bits)
Octal	0o2362346
Hexadecimal	0x9E4E6

Divisor Catalog (4)

1 2 324,211 648,422

Collatz Trajectory (216 steps to reach 1)

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

648,422 324,211 972,634 486,317 1,458,952 729,476 364,738 182,369 547,108 273,554 136,777 410,332 205,166 102,583 307,750 153,875 461,626 230,813 692,440 346,220 173,110 86,555 259,666 129,833 389,500 194,750 97,375 292,126 146,063 438,190 219,095 657,286 328,643 985,930 492,965 1,478,896 739,448 369,724 184,862 92,431 277,294 138,647 415,942 207,971 623,914 311,957 935,872 467,936 233,968 116,984 58,492 29,246 14,623 43,870 21,935 65,806 32,903 98,710 49,355 148,066

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