Base | Representation |
---|---|
bin | 1101101010101… |
… | …1010111010101 |
3 | 10222212102010122 |
4 | 3122223113111 |
5 | 104133400023 |
6 | 5404401325 |
7 | 1264153214 |
oct | 332532725 |
9 | 128772118 |
10 | 57325013 |
11 | 2a3a4149 |
12 | 17246245 |
13 | bb51535 |
14 | 788307b |
15 | 50752c8 |
hex | 36ab5d5 |
57325013 has 4 divisors (see below), whose sum is σ = 57832428. Its totient is φ = 56817600.
The previous prime is 57325001. The next prime is 57325027. The reversal of 57325013 is 31052375.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3713329 + 53611684 = 1927^2 + 7322^2 .
It is a cyclic number.
It is not a de Polignac number, because 57325013 - 24 = 57324997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57325313) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253538 + ... + 253763.
It is an arithmetic number, because the mean of its divisors is an integer number (14458107).
Almost surely, 257325013 is an apocalyptic number.
It is an amenable number.
57325013 is a deficient number, since it is larger than the sum of its proper divisors (507415).
57325013 is a wasteful number, since it uses less digits than its factorization.
57325013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 507414.
The product of its (nonzero) digits is 3150, while the sum is 26.
The square root of 57325013 is about 7571.3283510887. The cubic root of 57325013 is about 385.5801967707.
Adding to 57325013 its reverse (31052375), we get a palindrome (88377388).
The spelling of 57325013 in words is "fifty-seven million, three hundred twenty-five thousand, thirteen".
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