Base | Representation |
---|---|
bin | 1101101111010… |
… | …0100110110101 |
3 | 11000102122122202 |
4 | 3123310212311 |
5 | 104223000023 |
6 | 5415034245 |
7 | 1266542645 |
oct | 333644665 |
9 | 130378582 |
10 | 57625013 |
11 | 2a589586 |
12 | 1736b985 |
13 | bc27c54 |
14 | 7920525 |
15 | 50d4128 |
hex | 36f49b5 |
57625013 has 4 divisors (see below), whose sum is σ = 57657228. Its totient is φ = 57592800.
The previous prime is 57624989. The next prime is 57625033. The reversal of 57625013 is 31052675.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 28281124 + 29343889 = 5318^2 + 5417^2 .
It is a cyclic number.
It is not a de Polignac number, because 57625013 - 210 = 57623989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57625033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13256 + ... + 17057.
It is an arithmetic number, because the mean of its divisors is an integer number (14414307).
Almost surely, 257625013 is an apocalyptic number.
It is an amenable number.
57625013 is a deficient number, since it is larger than the sum of its proper divisors (32215).
57625013 is a wasteful number, since it uses less digits than its factorization.
57625013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32214.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 57625013 is about 7591.1140816088. The cubic root of 57625013 is about 386.2516480346.
Adding to 57625013 its reverse (31052675), we get a palindrome (88677688).
The spelling of 57625013 in words is "fifty-seven million, six hundred twenty-five thousand, thirteen".
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