Base | Representation |
---|---|
bin | 1101101010010… |
… | …1100001011001 |
3 | 10222211012022021 |
4 | 3122211201121 |
5 | 104132113311 |
6 | 5404054441 |
7 | 1264023355 |
oct | 332454131 |
9 | 128735267 |
10 | 57301081 |
11 | 2a388172 |
12 | 17234421 |
13 | bb43686 |
14 | 7878465 |
15 | 506d171 |
hex | 36a5859 |
57301081 has 2 divisors, whose sum is σ = 57301082. Its totient is φ = 57301080.
The previous prime is 57301043. The next prime is 57301091. The reversal of 57301081 is 18010375.
57301081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 44769481 + 12531600 = 6691^2 + 3540^2 .
It is a cyclic number.
It is not a de Polignac number, because 57301081 - 213 = 57292889 is a prime.
It is a super-2 number, since 2×573010812 = 6566827767537122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (57301091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28650540 + 28650541.
It is an arithmetic number, because the mean of its divisors is an integer number (28650541).
Almost surely, 257301081 is an apocalyptic number.
It is an amenable number.
57301081 is a deficient number, since it is larger than the sum of its proper divisors (1).
57301081 is an equidigital number, since it uses as much as digits as its factorization.
57301081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 840, while the sum is 25.
The square root of 57301081 is about 7569.7477500905. The cubic root of 57301081 is about 385.5265320660.
The spelling of 57301081 in words is "fifty-seven million, three hundred one thousand, eighty-one".
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