2,784,028

2² × 13 × 37 × 1447

2,784,028 has digital root 4. The neighboring primes are 2784007 and 2784043; its proper-divisor sum differs from the starting integer by -175,704.

Prime Factor Structure

Factorization String 2^2 × 13 × 37 × 1447

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 5,392,352

Proper Divisor Sum 2,608,324

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2784007 ← → #2784043

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

2,784,028 1,392,014 696,007 2,088,022 1,044,011 3,132,034 1,566,017 4,698,052 2,349,026 1,174,513 3,523,540 1,761,770 880,885 2,642,656 1,321,328 660,664 330,332 165,166 82,583 247,750 123,875 371,626 185,813 557,440 278,720 139,360 69,680 34,840 17,420 8,710 4,355 13,066 6,533 19,600 9,800 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83