Base | Representation |
---|---|
bin | 11011100100101… |
… | …01010001000001 |
3 | 121010020011100210 |
4 | 31302111101001 |
5 | 433203014423 |
6 | 34541304333 |
7 | 5506000344 |
oct | 1562252101 |
9 | 533204323 |
10 | 231298113 |
11 | 10961a772 |
12 | 655650a9 |
13 | 38bc50b7 |
14 | 22a0c45b |
15 | 1548cb93 |
hex | dc95441 |
231298113 has 16 divisors (see below), whose sum is σ = 324446400. Its totient is φ = 146354880.
The previous prime is 231298103. The next prime is 231298117. The reversal of 231298113 is 311892132.
It is not a de Polignac number, because 231298113 - 212 = 231294017 is a prime.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (231298117) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17398 + ... + 27663.
It is an arithmetic number, because the mean of its divisors is an integer number (20277900).
Almost surely, 2231298113 is an apocalyptic number.
It is an amenable number.
231298113 is a deficient number, since it is larger than the sum of its proper divisors (93148287).
231298113 is a wasteful number, since it uses less digits than its factorization.
231298113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45152.
The product of its digits is 2592, while the sum is 30.
The square root of 231298113 is about 15208.4881891659. The cubic root of 231298113 is about 613.8430784816.
The spelling of 231298113 in words is "two hundred thirty-one million, two hundred ninety-eight thousand, one hundred thirteen".
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