Base | Representation |
---|---|
bin | 101100010011… |
… | …1101000101110 |
3 | 1121201020222020 |
4 | 1120213220232 |
5 | 21421343042 |
6 | 2145531010 |
7 | 401313633 |
oct | 130475056 |
9 | 47636866 |
10 | 23231022 |
11 | 121278a1 |
12 | 7943a66 |
13 | 4a74c89 |
14 | 312a18a |
15 | 208d3ec |
hex | 1627a2e |
23231022 has 16 divisors (see below), whose sum is σ = 46520832. Its totient is φ = 7733880.
The previous prime is 23231011. The next prime is 23231023. The reversal of 23231022 is 22013232.
It is a junction number, because it is equal to n+sod(n) for n = 23230992 and 23231010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23231023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3993 + ... + 7899.
It is an arithmetic number, because the mean of its divisors is an integer number (2907552).
Almost surely, 223231022 is an apocalyptic number.
23231022 is an abundant number, since it is smaller than the sum of its proper divisors (23289810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23231022 is a wasteful number, since it uses less digits than its factorization.
23231022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4903.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 23231022 is about 4819.8570518222. The cubic root of 23231022 is about 285.3356955409.
Adding to 23231022 its reverse (22013232), we get a palindrome (45244254).
The spelling of 23231022 in words is "twenty-three million, two hundred thirty-one thousand, twenty-two".
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