Base | Representation |
---|---|
bin | 11011100100001… |
… | …01101011000101 |
3 | 121010002220202022 |
4 | 31302011223011 |
5 | 433143443440 |
6 | 34540052525 |
7 | 5505313214 |
oct | 1562055305 |
9 | 533086668 |
10 | 231234245 |
11 | 109586790 |
12 | 65534145 |
13 | 38ba1cc8 |
14 | 229d307b |
15 | 15478cb5 |
hex | dc85ac5 |
231234245 has 16 divisors (see below), whose sum is σ = 304575552. Its totient is φ = 167132160.
The previous prime is 231234233. The next prime is 231234251. The reversal of 231234245 is 542432132.
231234245 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 231234245 - 24 = 231234229 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 3932 + ... + 21861.
It is an arithmetic number, because the mean of its divisors is an integer number (19035972).
Almost surely, 2231234245 is an apocalyptic number.
It is an amenable number.
231234245 is a deficient number, since it is larger than the sum of its proper divisors (73341307).
231234245 is a wasteful number, since it uses less digits than its factorization.
231234245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25972.
The product of its digits is 5760, while the sum is 26.
The square root of 231234245 is about 15206.3882957131. The cubic root of 231234245 is about 613.7865734251.
Adding to 231234245 its reverse (542432132), we get a palindrome (773666377).
The spelling of 231234245 in words is "two hundred thirty-one million, two hundred thirty-four thousand, two hundred forty-five".
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