Base | Representation |
---|---|
bin | 1101101100001… |
… | …1100000101001 |
3 | 11000001102210121 |
4 | 3123003200221 |
5 | 104200031123 |
6 | 5410443241 |
7 | 1265044441 |
oct | 333034051 |
9 | 130042717 |
10 | 57423913 |
11 | 2a461488 |
12 | 17293521 |
13 | bb87561 |
14 | 78ab121 |
15 | 509475d |
hex | 36c3829 |
57423913 has 2 divisors, whose sum is σ = 57423914. Its totient is φ = 57423912.
The previous prime is 57423887. The next prime is 57423929. The reversal of 57423913 is 31932475.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 36144144 + 21279769 = 6012^2 + 4613^2 .
It is a cyclic number.
It is not a de Polignac number, because 57423913 - 25 = 57423881 is a prime.
It is not a weakly prime, because it can be changed into another prime (57423983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28711956 + 28711957.
It is an arithmetic number, because the mean of its divisors is an integer number (28711957).
Almost surely, 257423913 is an apocalyptic number.
It is an amenable number.
57423913 is a deficient number, since it is larger than the sum of its proper divisors (1).
57423913 is an equidigital number, since it uses as much as digits as its factorization.
57423913 is an evil number, because the sum of its binary digits is even.
The product of its digits is 22680, while the sum is 34.
The square root of 57423913 is about 7577.8567550462. The cubic root of 57423913 is about 385.8018101660.
The spelling of 57423913 in words is "fifty-seven million, four hundred twenty-three thousand, nine hundred thirteen".
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