Base | Representation |
---|---|
bin | 1101100110101… |
… | …0001001101101 |
3 | 10222100211201121 |
4 | 3121222021231 |
5 | 104101323101 |
6 | 5354540541 |
7 | 1261661365 |
oct | 331521155 |
9 | 128324647 |
10 | 57057901 |
11 | 2a23149a |
12 | 17137751 |
13 | ba89a94 |
14 | 78139a5 |
15 | 50210a1 |
hex | 366a26d |
57057901 has 2 divisors, whose sum is σ = 57057902. Its totient is φ = 57057900.
The previous prime is 57057883. The next prime is 57057907. The reversal of 57057901 is 10975075.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29484900 + 27573001 = 5430^2 + 5251^2 .
It is a cyclic number.
It is not a de Polignac number, because 57057901 - 213 = 57049709 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57057907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28528950 + 28528951.
It is an arithmetic number, because the mean of its divisors is an integer number (28528951).
Almost surely, 257057901 is an apocalyptic number.
It is an amenable number.
57057901 is a deficient number, since it is larger than the sum of its proper divisors (1).
57057901 is an equidigital number, since it uses as much as digits as its factorization.
57057901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11025, while the sum is 34.
The square root of 57057901 is about 7553.6680493652. The cubic root of 57057901 is about 384.9803801774.
The spelling of 57057901 in words is "fifty-seven million, fifty-seven thousand, nine hundred one".
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