λ
Sigma Notebook

1,768,520

23 × 5 × 13 × 19 × 179
Abundant Even Composite

1,768,520 is even and not a perfect square. Its factorization is 2^3 × 5 × 13 × 19 × 179 and its 64 divisors sum to 4,536,000.

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 19 × 179
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 64
Divisor Sum (σ) 4,536,000
Proper Divisor Sum 2,767,480
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1768517 ← → #1768523

Radix Representation

Decimal 1768520
Binary 110101111110001001000 (21 bits)
Octal 0o6576110
Hexadecimal 0x1AFC48

Divisor Catalog (60 of 64)

1 2 4 5 8 10 13 19 20 26 38 40 52 65 76 95 104 130 152 179 190 247 260 358 380 494 520 716 760 895 988 1,235 1,432 1,790 1,976 2,327 2,470 3,401 3,580 4,654 4,940 6,802 7,160 9,308 9,880 11,635 13,604 17,005 18,616 23,270 27,208 34,010 44,213 46,540 68,020 88,426 93,080 136,040 176,852 221,065

Collatz Trajectory (70 steps to reach 1)

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

1,768,520 884,260 442,130 221,065 663,196 331,598 165,799 497,398 248,699 746,098 373,049 1,119,148 559,574 279,787 839,362 419,681 1,259,044 629,522 314,761 944,284 472,142 236,071 708,214 354,107 1,062,322 531,161 1,593,484 796,742 398,371 1,195,114 597,557 1,792,672 896,336 448,168 224,084 112,042 56,021 168,064 84,032 42,016 21,008 10,504 5,252 2,626 1,313 3,940 1,970 985 2,956 1,478 739 2,218 1,109 3,328 1,664 832 416 208 104 52

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