Base | Representation |
---|---|
bin | 1101100111010… |
… | …1101110100011 |
3 | 10222110020202200 |
4 | 3121311232203 |
5 | 104104332230 |
6 | 5355544243 |
7 | 1262246541 |
oct | 331655643 |
9 | 128406680 |
10 | 57105315 |
11 | 2a264083 |
12 | 1715b083 |
13 | baa5537 |
14 | 7826d91 |
15 | 5030160 |
hex | 3675ba3 |
57105315 has 12 divisors (see below), whose sum is σ = 98982624. Its totient is φ = 30456144.
The previous prime is 57105287. The next prime is 57105401. The reversal of 57105315 is 51350175.
It is not a de Polignac number, because 57105315 - 25 = 57105283 is a prime.
It is a super-2 number, since 2×571053152 = 6522034002498450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634459 + ... + 634548.
It is an arithmetic number, because the mean of its divisors is an integer number (8248552).
Almost surely, 257105315 is an apocalyptic number.
57105315 is a deficient number, since it is larger than the sum of its proper divisors (41877309).
57105315 is a wasteful number, since it uses less digits than its factorization.
57105315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269018 (or 1269015 counting only the distinct ones).
The product of its (nonzero) digits is 2625, while the sum is 27.
The square root of 57105315 is about 7556.8058728540. The cubic root of 57105315 is about 385.0869877093.
It can be divided in two parts, 5710 and 5315, that added together give a square (11025 = 1052).
The spelling of 57105315 in words is "fifty-seven million, one hundred five thousand, three hundred fifteen".
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