Base | Representation |
---|---|
bin | 101100001110… |
… | …0111001011000 |
3 | 1121122000121222 |
4 | 1120130321120 |
5 | 21413441112 |
6 | 2144551212 |
7 | 401041451 |
oct | 130347130 |
9 | 47560558 |
10 | 23187032 |
11 | 120a7840 |
12 | 7922508 |
13 | 4a5ac4b |
14 | 3118128 |
15 | 2080372 |
hex | 161ce58 |
23187032 has 16 divisors (see below), whose sum is σ = 47428200. Its totient is φ = 10539520.
The previous prime is 23187029. The next prime is 23187061. The reversal of 23187032 is 23078132.
It is a junction number, because it is equal to n+sod(n) for n = 23186992 and 23187010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131657 + ... + 131832.
Almost surely, 223187032 is an apocalyptic number.
23187032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23187032 is an abundant number, since it is smaller than the sum of its proper divisors (24241168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23187032 is a wasteful number, since it uses less digits than its factorization.
23187032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263506 (or 263502 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 23187032 is about 4815.2914761206. The cubic root of 23187032 is about 285.1554789278.
Subtracting from 23187032 its reverse (23078132), we obtain a square (108900 = 3302).
The spelling of 23187032 in words is "twenty-three million, one hundred eighty-seven thousand, thirty-two".
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