Base | Representation |
---|---|
bin | 1101101001010… |
… | …1011011011101 |
3 | 10222200211212221 |
4 | 3122111123131 |
5 | 104123011130 |
6 | 5402425341 |
7 | 1263330241 |
oct | 332253335 |
9 | 128624787 |
10 | 57235165 |
11 | 2a342699 |
12 | 17202251 |
13 | bb1c680 |
14 | 785c421 |
15 | 505887a |
hex | 36956dd |
57235165 has 8 divisors (see below), whose sum is σ = 73965528. Its totient is φ = 42265920.
The previous prime is 57235151. The next prime is 57235181. The reversal of 57235165 is 56153275.
It can be written as a sum of positive squares in 4 ways, for example, as 4149369 + 53085796 = 2037^2 + 7286^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57235165 - 213 = 57226973 is a prime.
It is a super-2 number, since 2×572351652 = 6551728225154450, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 57235165.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440206 + ... + 440335.
It is an arithmetic number, because the mean of its divisors is an integer number (9245691).
Almost surely, 257235165 is an apocalyptic number.
It is an amenable number.
57235165 is a deficient number, since it is larger than the sum of its proper divisors (16730363).
57235165 is a wasteful number, since it uses less digits than its factorization.
57235165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 880559.
The product of its digits is 31500, while the sum is 34.
The square root of 57235165 is about 7565.3925873017. The cubic root of 57235165 is about 385.3786458655.
The spelling of 57235165 in words is "fifty-seven million, two hundred thirty-five thousand, one hundred sixty-five".
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