λ
Integer Codex

247,640

23 × 5 × 41 × 151
Abundant Even Composite

For 247,640, the 32 positive divisors have a total of 574,560. Removing 247,640 leaves 326,920, which gives the abundant classification.

Prime Factor Structure

Factorization String 2^3 × 5 × 41 × 151
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 574,560
Proper Divisor Sum 326,920
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #247633 ← → #247649

Radix Representation

Decimal 247640
Binary 111100011101011000 (18 bits)
Octal 0o743530
Hexadecimal 0x3C758

Divisor Catalog (32)

1 2 4 5 8 10 20 40 41 82 151 164 205 302 328 410 604 755 820 1,208 1,510 1,640 3,020 6,040 6,191 12,382 24,764 30,955 49,528 61,910 123,820 247,640

Collatz Trajectory (163 steps to reach 1)

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

247,640 123,820 61,910 30,955 92,866 46,433 139,300 69,650 34,825 104,476 52,238 26,119 78,358 39,179 117,538 58,769 176,308 88,154 44,077 132,232 66,116 33,058 16,529 49,588 24,794 12,397 37,192 18,596 9,298 4,649 13,948 6,974 3,487 10,462 5,231 15,694 7,847 23,542 11,771 35,314 17,657 52,972 26,486 13,243 39,730 19,865 59,596 29,798 14,899 44,698 22,349 67,048 33,524 16,762 8,381 25,144 12,572 6,286 3,143 9,430

More profiles

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