Base | Representation |
---|---|
bin | 1101101000100… |
… | …0011110100001 |
3 | 10222121011010001 |
4 | 3122020132201 |
5 | 104114311423 |
6 | 5401340001 |
7 | 1263016462 |
oct | 332103641 |
9 | 128534101 |
10 | 57182113 |
11 | 2a30684a |
12 | 17197601 |
13 | bb01491 |
14 | 7846d69 |
15 | 5047cad |
hex | 36887a1 |
57182113 has 6 divisors (see below), whose sum is σ = 59222774. Its totient is φ = 55209504.
The previous prime is 57182107. The next prime is 57182119. The reversal of 57182113 is 31128175.
It is an interprime number because it is at equal distance from previous prime (57182107) and next prime (57182119).
It can be written as a sum of positive squares in 3 ways, for example, as 15618304 + 41563809 = 3952^2 + 6447^2 .
It is not a de Polignac number, because 57182113 - 29 = 57181601 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 (57182119) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33156 + ... + 34837.
Almost surely, 257182113 is an apocalyptic number.
It is an amenable number.
57182113 is a deficient number, since it is larger than the sum of its proper divisors (2040661).
57182113 is an equidigital number, since it uses as much as digits as its factorization.
57182113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68051 (or 68022 counting only the distinct ones).
The product of its digits is 1680, while the sum is 28.
The square root of 57182113 is about 7561.8855452856. The cubic root of 57182113 is about 385.2595382731.
The spelling of 57182113 in words is "fifty-seven million, one hundred eighty-two thousand, one hundred thirteen".
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