Base | Representation |
---|---|
bin | 1101100111101… |
… | …1110100111001 |
3 | 10222111112000221 |
4 | 3121323310321 |
5 | 104111132142 |
6 | 5400300041 |
7 | 1262412430 |
oct | 331736471 |
9 | 128445027 |
10 | 57130297 |
11 | 2a280924 |
12 | 17171621 |
13 | bab3a13 |
14 | 7832117 |
15 | 5037767 |
hex | 367bd39 |
57130297 has 16 divisors (see below), whose sum is σ = 66731392. Its totient is φ = 47900160.
The previous prime is 57130291. The next prime is 57130301. The reversal of 57130297 is 79203175.
It is not a de Polignac number, because 57130297 - 211 = 57128249 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57130291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84553 + ... + 85225.
It is an arithmetic number, because the mean of its divisors is an integer number (4170712).
Almost surely, 257130297 is an apocalyptic number.
It is an amenable number.
57130297 is a deficient number, since it is larger than the sum of its proper divisors (9601095).
57130297 is a wasteful number, since it uses less digits than its factorization.
57130297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 928.
The product of its (nonzero) digits is 13230, while the sum is 34.
The square root of 57130297 is about 7558.4586391671. The cubic root of 57130297 is about 385.1431345005.
The spelling of 57130297 in words is "fifty-seven million, one hundred thirty thousand, two hundred ninety-seven".
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