Base | Representation |
---|---|
bin | 1101110010110… |
… | …0001111000101 |
3 | 11000212020012212 |
4 | 3130230033011 |
5 | 104302242434 |
6 | 5423553205 |
7 | 1301512154 |
oct | 334541705 |
9 | 130766185 |
10 | 57852869 |
11 | 2a724798 |
12 | 1745b805 |
13 | bca7889 |
14 | 797d59b |
15 | 512b8ce |
hex | 372c3c5 |
57852869 has 2 divisors, whose sum is σ = 57852870. Its totient is φ = 57852868.
The previous prime is 57852857. The next prime is 57852943. The reversal of 57852869 is 96825875.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41344900 + 16507969 = 6430^2 + 4063^2 .
It is a cyclic number.
It is not a de Polignac number, because 57852869 - 224 = 41075653 is a prime.
It is a super-2 number, since 2×578528692 = 6693908903062322, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57855869) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28926434 + 28926435.
It is an arithmetic number, because the mean of its divisors is an integer number (28926435).
Almost surely, 257852869 is an apocalyptic number.
It is an amenable number.
57852869 is a deficient number, since it is larger than the sum of its proper divisors (1).
57852869 is an equidigital number, since it uses as much as digits as its factorization.
57852869 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1209600, while the sum is 50.
The square root of 57852869 is about 7606.1073487034. The cubic root of 57852869 is about 386.7600731370.
The spelling of 57852869 in words is "fifty-seven million, eight hundred fifty-two thousand, eight hundred sixty-nine".
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