Base | Representation |
---|---|
bin | 101100001101… |
… | …0000001000010 |
3 | 1121121102110000 |
4 | 1120122001002 |
5 | 21413101414 |
6 | 2144420430 |
7 | 400662165 |
oct | 130320102 |
9 | 47542400 |
10 | 23175234 |
11 | 12099995 |
12 | 7917716 |
13 | 4a55774 |
14 | 3113adc |
15 | 207bb09 |
hex | 161a042 |
23175234 has 40 divisors (see below), whose sum is σ = 53731260. Its totient is φ = 7457184.
The previous prime is 23175227. The next prime is 23175239. The reversal of 23175234 is 43257132.
It can be written as a sum of positive squares in 2 ways, for example, as 23011209 + 164025 = 4797^2 + 405^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 23175198 and 23175207.
It is not an unprimeable number, because it can be changed into a prime (23175239) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2232 + ... + 7164.
Almost surely, 223175234 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23175234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26865630).
23175234 is an abundant number, since it is smaller than the sum of its proper divisors (30556026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23175234 is a wasteful number, since it uses less digits than its factorization.
23175234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4976 (or 4967 counting only the distinct ones).
The product of its digits is 5040, while the sum is 27.
The square root of 23175234 is about 4814.0662646042. The cubic root of 23175234 is about 285.1071065574.
It can be divided in two parts, 23175 and 234, that added together give a square (23409 = 1532).
The spelling of 23175234 in words is "twenty-three million, one hundred seventy-five thousand, two hundred thirty-four".
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