Base | Representation |
---|---|
bin | 1101110001111… |
… | …1100101111000 |
3 | 11000202121011202 |
4 | 3130133211320 |
5 | 104244113310 |
6 | 5422513332 |
7 | 1301205161 |
oct | 334374570 |
9 | 130677152 |
10 | 57801080 |
11 | 2a699897 |
12 | 17435848 |
13 | bc8a12c |
14 | 7968768 |
15 | 511b3a5 |
hex | 371f978 |
57801080 has 32 divisors (see below), whose sum is σ = 130269600. Its totient is φ = 23081856.
The previous prime is 57801077. The next prime is 57801091. The reversal of 57801080 is 8010875.
It is a happy number.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43709 + ... + 45011.
It is an arithmetic number, because the mean of its divisors is an integer number (4070925).
Almost surely, 257801080 is an apocalyptic number.
It is an amenable number.
57801080 is an abundant number, since it is smaller than the sum of its proper divisors (72468520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57801080 is a wasteful number, since it uses less digits than its factorization.
57801080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2423 (or 2419 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 29.
The square root of 57801080 is about 7602.7021512091. The cubic root of 57801080 is about 386.6446314567.
The spelling of 57801080 in words is "fifty-seven million, eight hundred one thousand, eighty".
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