Base | Representation |
---|---|
bin | 101100000110… |
… | …1010100100000 |
3 | 1121111210010000 |
4 | 1120031110200 |
5 | 21404420412 |
6 | 2143340000 |
7 | 400354446 |
oct | 130152440 |
9 | 47453100 |
10 | 23123232 |
11 | 12063910 |
12 | 78b1600 |
13 | 4a37bb2 |
14 | 30dcb96 |
15 | 206b4dc |
hex | 160d520 |
23123232 has 120 divisors (see below), whose sum is σ = 74278512. Its totient is φ = 6998400.
The previous prime is 23123231. The next prime is 23123239. The reversal of 23123232 is 23232132.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is not an unprimeable number, because it can be changed into a prime (23123231) 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, 28107 + ... + 28917.
Almost surely, 223123232 is an apocalyptic number.
23123232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37139256).
23123232 is an abundant number, since it is smaller than the sum of its proper divisors (51155280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23123232 is a wasteful number, since it uses less digits than its factorization.
23123232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 844 (or 827 counting only the distinct ones).
The product of its digits is 432, while the sum is 18.
The square root of 23123232 is about 4808.6621840175. The cubic root of 23123232 is about 284.8936999691.
Adding to 23123232 its reverse (23232132), we get a palindrome (46355364).
Subtracting 23123232 from its reverse (23232132), we obtain a square (108900 = 3302).
It can be divided in two parts, 2312323 and 2, that added together give a triangular number (2312325 = T2150).
The spelling of 23123232 in words is "twenty-three million, one hundred twenty-three thousand, two hundred thirty-two".
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