Base | Representation |
---|---|
bin | 1101101101101… |
… | …0001111010101 |
3 | 11000020011111202 |
4 | 3123122033111 |
5 | 104211021023 |
6 | 5412442245 |
7 | 1265613041 |
oct | 333321725 |
9 | 130204452 |
10 | 57517013 |
11 | 2a515424 |
12 | 17319385 |
13 | bbbaa48 |
14 | 78d3021 |
15 | 50b2128 |
hex | 36da3d5 |
57517013 has 2 divisors, whose sum is σ = 57517014. Its totient is φ = 57517012.
The previous prime is 57517003. The next prime is 57517039. The reversal of 57517013 is 31071575.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 41049649 + 16467364 = 6407^2 + 4058^2 .
It is a cyclic number.
It is not a de Polignac number, because 57517013 - 216 = 57451477 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57517003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758506 + 28758507.
It is an arithmetic number, because the mean of its divisors is an integer number (28758507).
Almost surely, 257517013 is an apocalyptic number.
It is an amenable number.
57517013 is a deficient number, since it is larger than the sum of its proper divisors (1).
57517013 is an equidigital number, since it uses as much as digits as its factorization.
57517013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3675, while the sum is 29.
The square root of 57517013 is about 7583.9971650839. The cubic root of 57517013 is about 386.0101946353.
Adding to 57517013 its reverse (31071575), we get a palindrome (88588588).
The spelling of 57517013 in words is "fifty-seven million, five hundred seventeen thousand, thirteen".
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