Base | Representation |
---|---|
bin | 11011100101100… |
… | …10000101011011 |
3 | 121010110011021201 |
4 | 31302302011123 |
5 | 433220304110 |
6 | 34544015031 |
7 | 5510001445 |
oct | 1562620533 |
9 | 533404251 |
10 | 231416155 |
11 | 1096a0423 |
12 | 65601477 |
13 | 38c36a49 |
14 | 22a3d495 |
15 | 154b2b3a |
hex | dcb215b |
231416155 has 16 divisors (see below), whose sum is σ = 294391584. Its totient is φ = 174031360.
The previous prime is 231416137. The next prime is 231416161. The reversal of 231416155 is 551614132.
It is not a de Polignac number, because 231416155 - 29 = 231415643 is a prime.
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, 132669 + ... + 134401.
It is an arithmetic number, because the mean of its divisors is an integer number (18399474).
Almost surely, 2231416155 is an apocalyptic number.
231416155 is a deficient number, since it is larger than the sum of its proper divisors (62975429).
231416155 is a wasteful number, since it uses less digits than its factorization.
231416155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3326.
The product of its digits is 3600, while the sum is 28.
The square root of 231416155 is about 15212.3684875170. The cubic root of 231416155 is about 613.9474847834.
The spelling of 231416155 in words is "two hundred thirty-one million, four hundred sixteen thousand, one hundred fifty-five".
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