Base | Representation |
---|---|
bin | 1101101101110… |
… | …1100110110111 |
3 | 11000020212102122 |
4 | 3123131212313 |
5 | 104211441212 |
6 | 5413030155 |
7 | 1266001205 |
oct | 333354667 |
9 | 130225378 |
10 | 57530807 |
11 | 2a524824 |
12 | 1732535b |
13 | bbc40c9 |
14 | 78d8075 |
15 | 50b6272 |
hex | 36dd9b7 |
57530807 has 2 divisors, whose sum is σ = 57530808. Its totient is φ = 57530806.
The previous prime is 57530777. The next prime is 57530857. The reversal of 57530807 is 70803575.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 57530807 - 214 = 57514423 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57530857) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28765403 + 28765404.
It is an arithmetic number, because the mean of its divisors is an integer number (28765404).
Almost surely, 257530807 is an apocalyptic number.
57530807 is a deficient number, since it is larger than the sum of its proper divisors (1).
57530807 is an equidigital number, since it uses as much as digits as its factorization.
57530807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 29400, while the sum is 35.
The square root of 57530807 is about 7584.9065254623. The cubic root of 57530807 is about 386.0410504276.
The spelling of 57530807 in words is "fifty-seven million, five hundred thirty thousand, eight hundred seven".
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