2,780,684

2² × 695171

2,780,684 factors as 2^2 × 695171. Its 6 positive divisors give a proper-divisor sum of 2,085,520, so this integer is deficient. The Collatz stopping time is 231 steps.

Prime Factor Structure

Factorization String 2^2 × 695171

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 4,866,204

Proper Divisor Sum 2,085,520

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #2780683 ← → #2780693

Radix Representation

Decimal	2780684
Binary	1010100110111000001100 (22 bits)
Octal	0o12467014
Hexadecimal	0x2A6E0C

Divisor Catalog (6)

1 2 4 695,171 1,390,342 2,780,684

Collatz Trajectory (231 steps to reach 1)

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

2,780,684 1,390,342 695,171 2,085,514 1,042,757 3,128,272 1,564,136 782,068 391,034 195,517 586,552 293,276 146,638 73,319 219,958 109,979 329,938 164,969 494,908 247,454 123,727 371,182 185,591 556,774 278,387 835,162 417,581 1,252,744 626,372 313,186 156,593 469,780 234,890 117,445 352,336 176,168 88,084 44,042 22,021 66,064 33,032 16,516 8,258 4,129 12,388 6,194 3,097 9,292 4,646 2,323 6,970 3,485 10,456 5,228 2,614 1,307 3,922 1,961 5,884 2,942

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