2² × 5² × 19 × 151

Prime Factor Structure

Factorization String 2^2 × 5^2 × 19 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 659,680

Proper Divisor Sum 372,780

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #286873 ← → #286927

1 2 4 5 10 19 20 25 38 50 76 95 100 151 190 302 380 475 604 755 950 1,510 1,900 2,869 3,020 3,775 5,738 7,550 11,476 14,345 15,100 28,690 57,380 71,725 143,450 286,900

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

286,900 143,450 71,725 215,176 107,588 53,794 26,897 80,692 40,346 20,173 60,520 30,260 15,130 7,565 22,696 11,348 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133 400 200 100 50 25 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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