Base | Representation |
---|---|
bin | 11011101000101… |
… | …01100001011100 |
3 | 121011012211222210 |
4 | 31310111201130 |
5 | 433321322302 |
6 | 35000440420 |
7 | 5513316060 |
oct | 1564254134 |
9 | 534184883 |
10 | 231823452 |
11 | 109949433 |
12 | 65779110 |
13 | 3904a253 |
14 | 22b07aa0 |
15 | 1554366c |
hex | dd1585c |
231823452 has 24 divisors (see below), whose sum is σ = 618196096. Its totient is φ = 66235248.
The previous prime is 231823433. The next prime is 231823457. The reversal of 231823452 is 254328132.
231823452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2318234522 = 107484225794392608, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231823457) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379818 + ... + 1379985.
Almost surely, 2231823452 is an apocalyptic number.
It is an amenable number.
231823452 is an abundant number, since it is smaller than the sum of its proper divisors (386372644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231823452 is a wasteful number, since it uses less digits than its factorization.
231823452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2759817 (or 2759815 counting only the distinct ones).
The product of its digits is 11520, while the sum is 30.
The square root of 231823452 is about 15225.7496367174. The cubic root of 231823452 is about 614.3074602413.
The spelling of 231823452 in words is "two hundred thirty-one million, eight hundred twenty-three thousand, four hundred fifty-two".
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