Base | Representation |
---|---|
bin | 1101101001011… |
… | …1000101100101 |
3 | 10222201012012111 |
4 | 3122113011211 |
5 | 104123220312 |
6 | 5402521021 |
7 | 1263356113 |
oct | 332270545 |
9 | 128635174 |
10 | 57241957 |
11 | 2a347803 |
12 | 17206171 |
13 | bb227a6 |
14 | 7860ab3 |
15 | 505a8a7 |
hex | 3697165 |
57241957 has 2 divisors, whose sum is σ = 57241958. Its totient is φ = 57241956.
The previous prime is 57241949. The next prime is 57241967. The reversal of 57241957 is 75914275.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 39551521 + 17690436 = 6289^2 + 4206^2 .
It is a cyclic number.
It is not a de Polignac number, because 57241957 - 23 = 57241949 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57241967) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620978 + 28620979.
It is an arithmetic number, because the mean of its divisors is an integer number (28620979).
Almost surely, 257241957 is an apocalyptic number.
It is an amenable number.
57241957 is a deficient number, since it is larger than the sum of its proper divisors (1).
57241957 is an equidigital number, since it uses as much as digits as its factorization.
57241957 is an evil number, because the sum of its binary digits is even.
The product of its digits is 88200, while the sum is 40.
The square root of 57241957 is about 7565.8414601418. The cubic root of 57241957 is about 385.3938893394.
The spelling of 57241957 in words is "fifty-seven million, two hundred forty-one thousand, nine hundred fifty-seven".
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