Base | Representation |
---|---|
bin | 1101101101100… |
… | …1100000000100 |
3 | 11000020000100201 |
4 | 3123121200010 |
5 | 104210421423 |
6 | 5412420244 |
7 | 1265601160 |
oct | 333314004 |
9 | 130200321 |
10 | 57513988 |
11 | 2a513124 |
12 | 17317684 |
13 | bbb955c |
14 | 78d1ca0 |
15 | 50b12ad |
hex | 36d9804 |
57513988 has 24 divisors (see below), whose sum is σ = 121083200. Its totient is φ = 23351328.
The previous prime is 57513983. The next prime is 57513991. The reversal of 57513988 is 88931575.
It is not an unprimeable number, because it can be changed into a prime (57513983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53523 + ... + 54586.
Almost surely, 257513988 is an apocalyptic number.
It is an amenable number.
57513988 is an abundant number, since it is smaller than the sum of its proper divisors (63569212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57513988 is a wasteful number, since it uses less digits than its factorization.
57513988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108139 (or 108137 counting only the distinct ones).
The product of its digits is 302400, while the sum is 46.
The square root of 57513988 is about 7583.7977293702. The cubic root of 57513988 is about 386.0034273546.
The spelling of 57513988 in words is "fifty-seven million, five hundred thirteen thousand, nine hundred eighty-eight".
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