Base | Representation |
---|---|
bin | 1101101101100… |
… | …1110010000101 |
3 | 11000020001221102 |
4 | 3123121302011 |
5 | 104210441031 |
6 | 5412425445 |
7 | 1265604425 |
oct | 333316205 |
9 | 130201842 |
10 | 57515141 |
11 | 2a513a82 |
12 | 17318285 |
13 | bbb9c38 |
14 | 78d2485 |
15 | 50b17cb |
hex | 36d9c85 |
57515141 has 2 divisors, whose sum is σ = 57515142. Its totient is φ = 57515140.
The previous prime is 57515119. The next prime is 57515153. The reversal of 57515141 is 14151575.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 49758916 + 7756225 = 7054^2 + 2785^2 .
It is a cyclic number.
It is not a de Polignac number, because 57515141 - 210 = 57514117 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57535141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28757570 + 28757571.
It is an arithmetic number, because the mean of its divisors is an integer number (28757571).
Almost surely, 257515141 is an apocalyptic number.
It is an amenable number.
57515141 is a deficient number, since it is larger than the sum of its proper divisors (1).
57515141 is an equidigital number, since it uses as much as digits as its factorization.
57515141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3500, while the sum is 29.
The square root of 57515141 is about 7583.8737463120. The cubic root of 57515141 is about 386.0060067792.
The spelling of 57515141 in words is "fifty-seven million, five hundred fifteen thousand, one hundred forty-one".
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