2² × 3⁴ × 5 × 389

Prime Factor Structure

Factorization String 2^2 × 3^4 × 5 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 60

Divisor Sum (σ) 1,981,980

Proper Divisor Sum 1,351,800

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #630169 ← → #630181

1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 389 405 540 778 810 1,167 1,556 1,620 1,945 2,334 3,501 3,890 4,668 5,835 7,002 7,780 10,503 11,670 14,004 17,505 21,006 23,340 31,509 35,010 42,012 52,515 63,018 70,020 105,030 126,036 157,545 210,060 315,090 630,180

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

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