Base | Representation |
---|---|
bin | 10010001110100… |
… | …11110000101011 |
3 | 101122201200022100 |
4 | 21013103300223 |
5 | 303121122031 |
6 | 23101224443 |
7 | 3534502230 |
oct | 1107236053 |
9 | 348650270 |
10 | 152910891 |
11 | 79350241 |
12 | 43262123 |
13 | 258aab23 |
14 | 16445787 |
15 | d656de6 |
hex | 91d3c2b |
152910891 has 12 divisors (see below), whose sum is σ = 252424432. Its totient is φ = 87377616.
The previous prime is 152910889. The next prime is 152910907. The reversal of 152910891 is 198019251.
152910891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 152910891 - 21 = 152910889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152990891) 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, 1213516 + ... + 1213641.
Almost surely, 2152910891 is an apocalyptic number.
152910891 is a deficient number, since it is larger than the sum of its proper divisors (99513541).
152910891 is a wasteful number, since it uses less digits than its factorization.
152910891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2427170 (or 2427167 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 36.
The square root of 152910891 is about 12365.7143344006. The cubic root of 152910891 is about 534.7442700128.
The spelling of 152910891 in words is "one hundred fifty-two million, nine hundred ten thousand, eight hundred ninety-one".
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