Base | Representation |
---|---|
bin | 1101110000001… |
… | …0001110101011 |
3 | 11000112111012100 |
4 | 3130002032223 |
5 | 104231241221 |
6 | 5420144443 |
7 | 1300164426 |
oct | 334021653 |
9 | 130474170 |
10 | 57680811 |
11 | 2a6174a1 |
12 | 17398123 |
13 | bc47476 |
14 | 79369bd |
15 | 50e5926 |
hex | 37023ab |
57680811 has 24 divisors (see below), whose sum is σ = 85166640. Its totient is φ = 37610496.
The previous prime is 57680773. The next prime is 57680837. The reversal of 57680811 is 11808675.
57680811 is a `hidden beast` number, since 576 + 8 + 0 + 81 + 1 = 666.
57680811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 57680811 - 27 = 57680683 is a prime.
It is not an unprimeable number, because it can be changed into a prime (57680851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85371 + ... + 86043.
It is an arithmetic number, because the mean of its divisors is an integer number (3548610).
Almost surely, 257680811 is an apocalyptic number.
57680811 is a deficient number, since it is larger than the sum of its proper divisors (27485829).
57680811 is a wasteful number, since it uses less digits than its factorization.
57680811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875 (or 872 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 36.
The square root of 57680811 is about 7594.7884104825. The cubic root of 57680811 is about 386.3762763041.
The spelling of 57680811 in words is "fifty-seven million, six hundred eighty thousand, eight hundred eleven".
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