3,533,745

3 × 5 × 89 × 2647

3,533,745 has digital root 3. The neighboring primes are 3533731 and 3533767; its proper-divisor sum differs from the starting integer by -1,347,810.

Prime Factor Structure

Factorization String 3 × 5 × 89 × 2647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 5,719,680

Proper Divisor Sum 2,185,935

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #3533731 ← → #3533767

1 3 5 15 89 267 445 1,335 2,647 7,941 13,235 39,705 235,583 706,749 1,177,915 3,533,745

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

3,533,745 10,601,236 5,300,618 2,650,309 7,950,928 3,975,464 1,987,732 993,866 496,933 1,490,800 745,400 372,700 186,350 93,175 279,526 139,763 419,290 209,645 628,936 314,468 157,234 78,617 235,852 117,926 58,963 176,890 88,445 265,336 132,668 66,334 33,167 99,502 49,751 149,254 74,627 223,882 111,941 335,824 167,912 83,956 41,978 20,989 62,968 31,484 15,742 7,871 23,614 11,807 35,422 17,711 53,134 26,567 79,702 39,851 119,554 59,777 179,332 89,666 44,833 134,500

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