Base | Representation |
---|---|
bin | 1101101101010… |
… | …0110010001001 |
3 | 11000012000212001 |
4 | 3123110302021 |
5 | 104204312130 |
6 | 5412151001 |
7 | 1265460634 |
oct | 333246211 |
9 | 130160761 |
10 | 57494665 |
11 | 2a4aa658 |
12 | 17308461 |
13 | bbb0817 |
14 | 78c8c1b |
15 | 50aa6ca |
hex | 36d4c89 |
57494665 has 24 divisors (see below), whose sum is σ = 74313288. Its totient is φ = 42681600.
The previous prime is 57494659. The next prime is 57494683. The reversal of 57494665 is 56649475.
57494665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 19598329 + 37896336 = 4427^2 + 6156^2 .
It is not a de Polignac number, because 57494665 - 219 = 56970377 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 95365 + ... + 95965.
It is an arithmetic number, because the mean of its divisors is an integer number (3096387).
Almost surely, 257494665 is an apocalyptic number.
It is an amenable number.
57494665 is a deficient number, since it is larger than the sum of its proper divisors (16818623).
57494665 is a wasteful number, since it uses less digits than its factorization.
57494665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 697 (or 678 counting only the distinct ones).
The product of its digits is 907200, while the sum is 46.
The square root of 57494665 is about 7582.5236564089. The cubic root of 57494665 is about 385.9601939318.
The spelling of 57494665 in words is "fifty-seven million, four hundred ninety-four thousand, six hundred sixty-five".
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