Base | Representation |
---|---|
bin | 1101101100001… |
… | …0010000001100 |
3 | 11000001011201220 |
4 | 3123002100030 |
5 | 104144400024 |
6 | 5410403340 |
7 | 1265023434 |
oct | 333022014 |
9 | 130034656 |
10 | 57418764 |
11 | 2a458627 |
12 | 17290550 |
13 | bb85100 |
14 | 78a92c4 |
15 | 5092e79 |
hex | 36c240c |
57418764 has 72 divisors (see below), whose sum is σ = 151506432. Its totient is φ = 16885440.
The previous prime is 57418759. The next prime is 57418771. The reversal of 57418764 is 46781475.
It is a nialpdrome in base 13.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46029 + ... + 47259.
It is an arithmetic number, because the mean of its divisors is an integer number (2104256).
Almost surely, 257418764 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57418764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75753216).
57418764 is an abundant number, since it is smaller than the sum of its proper divisors (94087668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57418764 is a wasteful number, since it uses less digits than its factorization.
57418764 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1287 (or 1272 counting only the distinct ones).
The product of its digits is 188160, while the sum is 42.
The square root of 57418764 is about 7577.5170075692. The cubic root of 57418764 is about 385.7902786582.
The spelling of 57418764 in words is "fifty-seven million, four hundred eighteen thousand, seven hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •