Base | Representation |
---|---|
bin | 1101101000101… |
… | …1101101000011 |
3 | 10222121211020121 |
4 | 3122023231003 |
5 | 104120222311 |
6 | 5401521111 |
7 | 1263103144 |
oct | 332135503 |
9 | 128554217 |
10 | 57195331 |
11 | 2a315776 |
12 | 171a3197 |
13 | bb074bb |
14 | 784bacb |
15 | 504bb71 |
hex | 368bb43 |
57195331 has 2 divisors, whose sum is σ = 57195332. Its totient is φ = 57195330.
The previous prime is 57195253. The next prime is 57195343. The reversal of 57195331 is 13359175.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 57195331 - 213 = 57187139 is a prime.
It is a super-2 number, since 2×571953312 = 6542611776399122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (57195431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28597665 + 28597666.
It is an arithmetic number, because the mean of its divisors is an integer number (28597666).
Almost surely, 257195331 is an apocalyptic number.
57195331 is a deficient number, since it is larger than the sum of its proper divisors (1).
57195331 is an equidigital number, since it uses as much as digits as its factorization.
57195331 is an evil number, because the sum of its binary digits is even.
The product of its digits is 14175, while the sum is 34.
The square root of 57195331 is about 7562.7594831516. The cubic root of 57195331 is about 385.2892210298.
The spelling of 57195331 in words is "fifty-seven million, one hundred ninety-five thousand, three hundred thirty-one".
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