Base | Representation |
---|---|
bin | 11011101101001… |
… | …00000001011011 |
3 | 121012022111122112 |
4 | 31312210001123 |
5 | 433444012011 |
6 | 35021142535 |
7 | 5521266545 |
oct | 1566440133 |
9 | 535274575 |
10 | 232407131 |
11 | 10a207a10 |
12 | 659baa4b |
13 | 391c2b18 |
14 | 22c1a695 |
15 | 1560b58b |
hex | dda405b |
232407131 has 16 divisors (see below), whose sum is σ = 268392960. Its totient is φ = 199237920.
The previous prime is 232407113. The next prime is 232407139. The reversal of 232407131 is 131704232.
232407131 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 232407131 - 222 = 228212827 is a prime.
It is a super-2 number, since 2×2324071312 = 108026149079302322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 232407097 and 232407106.
It is not an unprimeable number, because it can be changed into a prime (232407139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5246 + ... + 22188.
It is an arithmetic number, because the mean of its divisors is an integer number (16774560).
Almost surely, 2232407131 is an apocalyptic number.
232407131 is a deficient number, since it is larger than the sum of its proper divisors (35985829).
232407131 is a wasteful number, since it uses less digits than its factorization.
232407131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17026.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 232407131 is about 15244.9050833385. The cubic root of 232407131 is about 614.8225905531.
The spelling of 232407131 in words is "two hundred thirty-two million, four hundred seven thousand, one hundred thirty-one".
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