3,139,580

2² × 5 × 156979

3,139,580 factors as 2^2 × 5 × 156979. Its 12 positive divisors give a proper-divisor sum of 3,453,580, so this integer is abundant. The Collatz stopping time is 226 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 156979

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,593,160

Proper Divisor Sum 3,453,580

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #3139573 ← → #3139583

Radix Representation

Decimal	3139580
Binary	1011111110011111111100 (22 bits)
Octal	0o13763774
Hexadecimal	0x2FE7FC

Divisor Catalog (12)

1 2 4 5 10 20 156,979 313,958 627,916 784,895 1,569,790 3,139,580

Collatz Trajectory (226 steps to reach 1)

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

3,139,580 1,569,790 784,895 2,354,686 1,177,343 3,532,030 1,766,015 5,298,046 2,649,023 7,947,070 3,973,535 11,920,606 5,960,303 17,880,910 8,940,455 26,821,366 13,410,683 40,232,050 20,116,025 60,348,076 30,174,038 15,087,019 45,261,058 22,630,529 67,891,588 33,945,794 16,972,897 50,918,692 25,459,346 12,729,673 38,189,020 19,094,510 9,547,255 28,641,766 14,320,883 42,962,650 21,481,325 64,443,976 32,221,988 16,110,994 8,055,497 24,166,492 12,083,246 6,041,623 18,124,870 9,062,435 27,187,306 13,593,653 40,780,960 20,390,480 10,195,240 5,097,620 2,548,810 1,274,405 3,823,216 1,911,608 955,804 477,902 238,951 716,854

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