72,215,820

2² × 3³ × 5 × 133733

Prime Factor Structure

Factorization String 2^2 × 3^3 × 5 × 133733

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 48

Divisor Sum (σ) 224,673,120

Proper Divisor Sum 152,457,300

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #72215807 ← → #72215831

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

72,215,820 36,107,910 18,053,955 54,161,866 27,080,933 81,242,800 40,621,400 20,310,700 10,155,350 5,077,675 15,233,026 7,616,513 22,849,540 11,424,770 5,712,385 17,137,156 8,568,578 4,284,289 12,852,868 6,426,434 3,213,217 9,639,652 4,819,826 2,409,913 7,229,740 3,614,870 1,807,435 5,422,306 2,711,153 8,133,460 4,066,730 2,033,365 6,100,096 3,050,048 1,525,024 762,512 381,256 190,628 95,314 47,657 142,972 71,486 35,743 107,230 53,615 160,846 80,423 241,270 120,635 361,906 180,953 542,860 271,430 135,715 407,146 203,573 610,720 305,360 152,680 76,340

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