Base | Representation |
---|---|
bin | 1101101001111… |
… | …0000011010110 |
3 | 10222202122100010 |
4 | 3122132003112 |
5 | 104130123421 |
6 | 5403301050 |
7 | 1263535230 |
oct | 332360326 |
9 | 128678303 |
10 | 57270486 |
11 | 2a367189 |
12 | 1721a786 |
13 | bb32780 |
14 | 786b250 |
15 | 5064076 |
hex | 369e0d6 |
57270486 has 32 divisors (see below), whose sum is σ = 140974848. Its totient is φ = 15104160.
The previous prime is 57270469. The next prime is 57270527. The reversal of 57270486 is 68407275.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51900 + ... + 52991.
It is an arithmetic number, because the mean of its divisors is an integer number (4405464).
Almost surely, 257270486 is an apocalyptic number.
57270486 is an abundant number, since it is smaller than the sum of its proper divisors (83704362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57270486 is a wasteful number, since it uses less digits than its factorization.
57270486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104916.
The product of its (nonzero) digits is 94080, while the sum is 39.
The square root of 57270486 is about 7567.7266071126. The cubic root of 57270486 is about 385.4579045988.
The spelling of 57270486 in words is "fifty-seven million, two hundred seventy thousand, four hundred eighty-six".
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