Base | Representation |
---|---|
bin | 1100101011000… |
… | …1100100100011 |
3 | 10201000121111121 |
4 | 3022301210203 |
5 | 102101444011 |
6 | 5135153111 |
7 | 1213551100 |
oct | 312614443 |
9 | 121017447 |
10 | 53156131 |
11 | 28006a96 |
12 | 15975797 |
13 | b021b42 |
14 | 70b9aa7 |
15 | 49eee71 |
hex | 32b1923 |
53156131 has 12 divisors (see below), whose sum is σ = 63345240. Its totient is φ = 44449440.
The previous prime is 53156123. The next prime is 53156141. The reversal of 53156131 is 13165135.
It is not a de Polignac number, because 53156131 - 23 = 53156123 is a prime.
It is a super-2 number, since 2×531561312 = 5651148525778322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53156096 and 53156105.
It is not an unprimeable number, because it can be changed into a prime (53156111) 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, 11221 + ... + 15238.
It is an arithmetic number, because the mean of its divisors is an integer number (5278770).
Almost surely, 253156131 is an apocalyptic number.
53156131 is a deficient number, since it is larger than the sum of its proper divisors (10189109).
53156131 is a wasteful number, since it uses less digits than its factorization.
53156131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26514 (or 26507 counting only the distinct ones).
The product of its digits is 1350, while the sum is 25.
The square root of 53156131 is about 7290.8251247715. The cubic root of 53156131 is about 375.9970645425.
The spelling of 53156131 in words is "fifty-three million, one hundred fifty-six thousand, one hundred thirty-one".
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