Base | Representation |
---|---|
bin | 1101101101100… |
… | …1110000101100 |
3 | 11000020001211010 |
4 | 3123121300230 |
5 | 104210440202 |
6 | 5412425220 |
7 | 1265604240 |
oct | 333316054 |
9 | 130201733 |
10 | 57515052 |
11 | 2a513a01 |
12 | 17318210 |
13 | bbb9b9a |
14 | 78d2420 |
15 | 50b176c |
hex | 36d9c2c |
57515052 has 48 divisors (see below), whose sum is σ = 161450240. Its totient is φ = 15567552.
The previous prime is 57515047. The next prime is 57515053. The reversal of 57515052 is 25051575.
It is a super-3 number, since 3×575150523 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (57515053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16423 + ... + 19614.
Almost surely, 257515052 is an apocalyptic number.
It is an amenable number.
57515052 is an abundant number, since it is smaller than the sum of its proper divisors (103935188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57515052 is a wasteful number, since it uses less digits than its factorization.
57515052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36070 (or 36068 counting only the distinct ones).
The product of its (nonzero) digits is 8750, while the sum is 30.
The square root of 57515052 is about 7583.8678785960. The cubic root of 57515052 is about 386.0058076748.
The spelling of 57515052 in words is "fifty-seven million, five hundred fifteen thousand, fifty-two".
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