Base | Representation |
---|---|
bin | 11111101011011… |
… | …101000101010100 |
3 | 1101001002020101002 |
4 | 133223131011110 |
5 | 2042030010022 |
6 | 124423322432 |
7 | 16112355662 |
oct | 3753350524 |
9 | 1331066332 |
10 | 531485012 |
11 | 253011613 |
12 | 129bb0418 |
13 | 86159c96 |
14 | 5082dc32 |
15 | 319d7092 |
hex | 1fadd154 |
531485012 has 24 divisors (see below), whose sum is σ = 974605632. Its totient is φ = 253123200.
The previous prime is 531485011. The next prime is 531485033. The reversal of 531485012 is 210584135.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (531485011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10187 + ... + 34157.
It is an arithmetic number, because the mean of its divisors is an integer number (40608568).
Almost surely, 2531485012 is an apocalyptic number.
It is an amenable number.
531485012 is a deficient number, since it is larger than the sum of its proper divisors (443120620).
531485012 is a wasteful number, since it uses less digits than its factorization.
531485012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24239 (or 24237 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 531485012 is about 23053.9587056106. The cubic root of 531485012 is about 810.0223597953.
The spelling of 531485012 in words is "five hundred thirty-one million, four hundred eighty-five thousand, twelve".
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