Base | Representation |
---|---|
bin | 11011100011010… |
… | …00000101010100 |
3 | 121002212202111101 |
4 | 31301220011110 |
5 | 433131104134 |
6 | 34533315444 |
7 | 5504266651 |
oct | 1561500524 |
9 | 532782441 |
10 | 231113044 |
11 | 109503718 |
12 | 65495b84 |
13 | 38b5baa6 |
14 | 229a0c28 |
15 | 15452e14 |
hex | dc68154 |
231113044 has 6 divisors (see below), whose sum is σ = 404447834. Its totient is φ = 115556520.
The previous prime is 231113041. The next prime is 231113059. The reversal of 231113044 is 440311132.
It can be written as a sum of positive squares in only one way, i.e., 215208900 + 15904144 = 14670^2 + 3988^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231113041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28889127 + ... + 28889134.
Almost surely, 2231113044 is an apocalyptic number.
It is an amenable number.
231113044 is a deficient number, since it is larger than the sum of its proper divisors (173334790).
231113044 is a wasteful number, since it uses less digits than its factorization.
231113044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57778265 (or 57778263 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 231113044 is about 15202.4025732777. The cubic root of 231113044 is about 613.6793163193.
Adding to 231113044 its reverse (440311132), we get a palindrome (671424176).
The spelling of 231113044 in words is "two hundred thirty-one million, one hundred thirteen thousand, forty-four".
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