Base | Representation |
---|---|
bin | 1101101100001… |
… | …0001110111000 |
3 | 11000001011121210 |
4 | 3123002032320 |
5 | 104144344210 |
6 | 5410403120 |
7 | 1265023254 |
oct | 333021670 |
9 | 130034553 |
10 | 57418680 |
11 | 2a458560 |
12 | 172904a0 |
13 | bb85067 |
14 | 78a9264 |
15 | 5092e20 |
hex | 36c23b8 |
57418680 has 64 divisors (see below), whose sum is σ = 187920000. Its totient is φ = 13919360.
The previous prime is 57418679. The next prime is 57418687. The reversal of 57418680 is 8681475.
57418680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57418687) 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 15 ways as a sum of consecutive naturals, for example, 20430 + ... + 23069.
It is an arithmetic number, because the mean of its divisors is an integer number (2936250).
Almost surely, 257418680 is an apocalyptic number.
It is an amenable number.
57418680 is an abundant number, since it is smaller than the sum of its proper divisors (130501320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57418680 is a wasteful number, since it uses less digits than its factorization.
57418680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43524 (or 43520 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 57418680 is about 7577.5114648544. The cubic root of 57418680 is about 385.7900905292.
The spelling of 57418680 in words is "fifty-seven million, four hundred eighteen thousand, six hundred eighty".
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