Base | Representation |
---|---|
bin | 1101110011110… |
… | …0011000100101 |
3 | 11000222120221122 |
4 | 3130330120211 |
5 | 104311402023 |
6 | 5425223325 |
7 | 1302206045 |
oct | 334743045 |
9 | 130876848 |
10 | 57919013 |
11 | 2a76a459 |
12 | 17491b45 |
13 | bccba09 |
14 | 7999725 |
15 | 51412c8 |
hex | 373c625 |
57919013 has 2 divisors, whose sum is σ = 57919014. Its totient is φ = 57919012.
The previous prime is 57918997. The next prime is 57919033. The reversal of 57919013 is 31091975.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31888609 + 26030404 = 5647^2 + 5102^2 .
It is a cyclic number.
It is not a de Polignac number, because 57919013 - 24 = 57918997 is a prime.
It is a super-2 number, since 2×579190132 = 6709224133788338, which contains 22 as substring.
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 (57919033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28959506 + 28959507.
It is an arithmetic number, because the mean of its divisors is an integer number (28959507).
Almost surely, 257919013 is an apocalyptic number.
It is an amenable number.
57919013 is a deficient number, since it is larger than the sum of its proper divisors (1).
57919013 is an equidigital number, since it uses as much as digits as its factorization.
57919013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8505, while the sum is 35.
The square root of 57919013 is about 7610.4541914396. The cubic root of 57919013 is about 386.9074130791.
The spelling of 57919013 in words is "fifty-seven million, nine hundred nineteen thousand, thirteen".
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