Base | Representation |
---|---|
bin | 11011100100110… |
… | …11111011101111 |
3 | 121010021112211021 |
4 | 31302123323233 |
5 | 433204403143 |
6 | 34542035011 |
7 | 5506143100 |
oct | 1562337357 |
9 | 533245737 |
10 | 231325423 |
11 | 10963923a |
12 | 65578a67 |
13 | 38c04664 |
14 | 22a183a7 |
15 | 15495ced |
hex | dc9beef |
231325423 has 12 divisors (see below), whose sum is σ = 275353320. Its totient is φ = 193666032.
The previous prime is 231325417. The next prime is 231325427. The reversal of 231325423 is 324523132.
It is a de Polignac number, because none of the positive numbers 2k-231325423 is a prime.
It is a super-2 number, since 2×2313254232 = 107022902652257858, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231325427) 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, 52788 + ... + 57001.
It is an arithmetic number, because the mean of its divisors is an integer number (22946110).
Almost surely, 2231325423 is an apocalyptic number.
231325423 is a deficient number, since it is larger than the sum of its proper divisors (44027897).
231325423 is a wasteful number, since it uses less digits than its factorization.
231325423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109846 (or 109839 counting only the distinct ones).
The product of its digits is 4320, while the sum is 25.
The square root of 231325423 is about 15209.3860165360. The cubic root of 231325423 is about 613.8672369072.
Adding to 231325423 its reverse (324523132), we get a palindrome (555848555).
The spelling of 231325423 in words is "two hundred thirty-one million, three hundred twenty-five thousand, four hundred twenty-three".
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