520,749

3⁵ × 2143

The decimal integer 520,749 is 1111111001000101101 in binary (19 bits), 1771055 in octal and 7F22D in hexadecimal. Its digit sum is 27.

Prime Factor Structure

Factorization String 3^5 × 2143

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 780,416

Proper Divisor Sum 259,667

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #520747 ← → #520759

Radix Representation

Decimal	520749
Binary	1111111001000101101 (19 bits)
Octal	0o1771055
Hexadecimal	0x7F22D

Divisor Catalog (12)

1 3 9 27 81 243 2,143 6,429 19,287 57,861 173,583 520,749

Collatz Trajectory (71 steps to reach 1)

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

520,749 1,562,248 781,124 390,562 195,281 585,844 292,922 146,461 439,384 219,692 109,846 54,923 164,770 82,385 247,156 123,578 61,789 185,368 92,684 46,342 23,171 69,514 34,757 104,272 52,136 26,068 13,034 6,517 19,552 9,776 4,888 2,444 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17

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