Base | Representation |
---|---|
bin | 1100100001100… |
… | …0111111010011 |
3 | 10122211212012100 |
4 | 3020120333103 |
5 | 101421444110 |
6 | 5113531443 |
7 | 1205336025 |
oct | 310307723 |
9 | 118755170 |
10 | 52531155 |
11 | 2771a486 |
12 | 15713b83 |
13 | ab63531 |
14 | 6d96015 |
15 | 4929bc0 |
hex | 3218fd3 |
52531155 has 12 divisors (see below), whose sum is σ = 91054080. Its totient is φ = 28016592.
The previous prime is 52531153. The next prime is 52531163. The reversal of 52531155 is 55113525.
It is not a de Polignac number, because 52531155 - 21 = 52531153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (52531153) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583635 + ... + 583724.
It is an arithmetic number, because the mean of its divisors is an integer number (7587840).
Almost surely, 252531155 is an apocalyptic number.
52531155 is a deficient number, since it is larger than the sum of its proper divisors (38522925).
52531155 is a wasteful number, since it uses less digits than its factorization.
52531155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1167370 (or 1167367 counting only the distinct ones).
The product of its digits is 3750, while the sum is 27.
The square root of 52531155 is about 7247.8379534865. The cubic root of 52531155 is about 374.5176732283.
The spelling of 52531155 in words is "fifty-two million, five hundred thirty-one thousand, one hundred fifty-five".
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