λ
Integer Codex

1,455,720

23 × 3 × 5 × 7 × 1733
Abundant Even Composite

For 1,455,720, the 64 positive divisors have a total of 4,993,920. Removing 1,455,720 leaves 3,538,200, which gives the abundant classification.

Prime Factor Structure

Factorization String 2^3 × 3 × 5 × 7 × 1733
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 4,993,920
Proper Divisor Sum 3,538,200
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #1455703 ← → #1455721

Radix Representation

Decimal 1455720
Binary 101100011011001101000 (21 bits)
Octal 0o5433150
Hexadecimal 0x163668

Divisor Catalog (60 of 64)

1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1,733 3,466 5,199 6,932 8,665 10,398 12,131 13,864 17,330 20,796 24,262 25,995 34,660 36,393 41,592 48,524 51,990 60,655 69,320 72,786 97,048 103,980 121,310 145,572 181,965 207,960 242,620 291,144

Collatz Trajectory (88 steps to reach 1)

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

1,455,720 727,860 363,930 181,965 545,896 272,948 136,474 68,237 204,712 102,356 51,178 25,589 76,768 38,384 19,192 9,596 4,798 2,399 7,198 3,599 10,798 5,399 16,198 8,099 24,298 12,149 36,448 18,224 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43

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