Base | Representation |
---|---|
bin | 1101101100000… |
… | …1000011100001 |
3 | 11000000221000011 |
4 | 3123001003201 |
5 | 104144220412 |
6 | 5410324521 |
7 | 1265003224 |
oct | 333010341 |
9 | 130027004 |
10 | 57413857 |
11 | 2a454976 |
12 | 17289741 |
13 | bb82ac7 |
14 | 78a75bb |
15 | 50917a7 |
hex | 36c10e1 |
57413857 has 2 divisors, whose sum is σ = 57413858. Its totient is φ = 57413856.
The previous prime is 57413791. The next prime is 57413861. The reversal of 57413857 is 75831475.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54302161 + 3111696 = 7369^2 + 1764^2 .
It is a cyclic number.
It is not a de Polignac number, because 57413857 - 215 = 57381089 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (57413887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28706928 + 28706929.
It is an arithmetic number, because the mean of its divisors is an integer number (28706929).
Almost surely, 257413857 is an apocalyptic number.
It is an amenable number.
57413857 is a deficient number, since it is larger than the sum of its proper divisors (1).
57413857 is an equidigital number, since it uses as much as digits as its factorization.
57413857 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 117600, while the sum is 40.
The square root of 57413857 is about 7577.1932138490. The cubic root of 57413857 is about 385.7792884830.
The spelling of 57413857 in words is "fifty-seven million, four hundred thirteen thousand, eight hundred fifty-seven".
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