Base | Representation |
---|---|
bin | 1101011110110… |
… | …0001111100100 |
3 | 10221101122021211 |
4 | 3113230033210 |
5 | 103433322210 |
6 | 5335521204 |
7 | 1254413002 |
oct | 327541744 |
9 | 127348254 |
10 | 56542180 |
11 | 29a09a82 |
12 | 16b29204 |
13 | b939116 |
14 | 771ba72 |
15 | 4e6d38a |
hex | 35ec3e4 |
56542180 has 12 divisors (see below), whose sum is σ = 118738620. Its totient is φ = 22616864.
The previous prime is 56542177. The next prime is 56542193. The reversal of 56542180 is 8124565.
It can be written as a sum of positive squares in 2 ways, for example, as 9290304 + 47251876 = 3048^2 + 6874^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413535 + ... + 1413574.
It is an arithmetic number, because the mean of its divisors is an integer number (9894885).
Almost surely, 256542180 is an apocalyptic number.
It is an amenable number.
56542180 is an abundant number, since it is smaller than the sum of its proper divisors (62196440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56542180 is a wasteful number, since it uses less digits than its factorization.
56542180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2827118 (or 2827116 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 56542180 is about 7519.4534375844. The cubic root of 56542180 is about 383.8169791169.
The spelling of 56542180 in words is "fifty-six million, five hundred forty-two thousand, one hundred eighty".
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