2³ × 5 × 19² × 47

Prime Factor Structure

Factorization String 2^3 × 5 × 19^2 × 47

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,645,920

Proper Divisor Sum 967,240

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #678659 ← → #678719

1 2 4 5 8 10 19 20 38 40 47 76 94 95 152 188 190 235 361 376 380 470 722 760 893 940 1,444 1,786 1,805 1,880 2,888 3,572 3,610 4,465 7,144 7,220 8,930 14,440 16,967 17,860 33,934 35,720 67,868 84,835 135,736 169,670 339,340 678,680

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

678,680 339,340 169,670 84,835 254,506 127,253 381,760 190,880 95,440 47,720 23,860 11,930 5,965 17,896 8,948 4,474 2,237 6,712 3,356 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722

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