Base | Representation |
---|---|
bin | 11011100101000… |
… | …00100011000011 |
3 | 121010022111202021 |
4 | 31302200203003 |
5 | 433211004243 |
6 | 34542302311 |
7 | 5506252150 |
oct | 1562404303 |
9 | 533274667 |
10 | 231344323 |
11 | 109651461 |
12 | 65587997 |
13 | 38c10142 |
14 | 22a21227 |
15 | 1549b6ed |
hex | dca08c3 |
231344323 has 24 divisors (see below), whose sum is σ = 282659328. Its totient is φ = 185426928.
The previous prime is 231344317. The next prime is 231344383. The reversal of 231344323 is 323443132.
It is not a de Polignac number, because 231344323 - 25 = 231344291 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231344383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209190 + ... + 210292.
It is an arithmetic number, because the mean of its divisors is an integer number (11777472).
Almost surely, 2231344323 is an apocalyptic number.
231344323 is a deficient number, since it is larger than the sum of its proper divisors (51315005).
231344323 is a wasteful number, since it uses less digits than its factorization.
231344323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1231 (or 1212 counting only the distinct ones).
The product of its digits is 5184, while the sum is 25.
The square root of 231344323 is about 15210.0073307017. The cubic root of 231344323 is about 613.8839547336.
Adding to 231344323 its reverse (323443132), we get a palindrome (554787455).
The spelling of 231344323 in words is "two hundred thirty-one million, three hundred forty-four thousand, three hundred twenty-three".
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