538,440

2³ × 3 × 5 × 7 × 641

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 7 × 641

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 64

Divisor Sum (σ) 1,848,960

Proper Divisor Sum 1,310,520

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #538423 ← → #538457

1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 641 840 1,282 1,923 2,564 3,205 3,846 4,487 5,128 6,410 7,692 8,974 9,615 12,820 13,461 15,384 17,948 19,230 22,435 25,640 26,922 35,896 38,460 44,870 53,844 67,305 76,920 89,740 107,688

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

538,440 269,220 134,610 67,305 201,916 100,958 50,479 151,438 75,719 227,158 113,579 340,738 170,369 511,108 255,554 127,777 383,332 191,666 95,833 287,500 143,750 71,875 215,626 107,813 323,440 161,720 80,860 40,430 20,215 60,646 30,323 90,970 45,485 136,456 68,228 34,114 17,057 51,172 25,586 12,793 38,380 19,190 9,595 28,786 14,393 43,180 21,590 10,795 32,386 16,193 48,580 24,290 12,145 36,436 18,218 9,109 27,328 13,664 6,832 3,416

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