Base | Representation |
---|---|
bin | 101100011100… |
… | …1100011110000 |
3 | 1121211222200010 |
4 | 1120321203300 |
5 | 21431220212 |
6 | 2151254520 |
7 | 402040644 |
oct | 130714360 |
9 | 47758603 |
10 | 23304432 |
11 | 12177a68 |
12 | 797a440 |
13 | 4a9c508 |
14 | 3148c24 |
15 | 20a503c |
hex | 16398f0 |
23304432 has 20 divisors (see below), whose sum is σ = 60203240. Its totient is φ = 7768128.
The previous prime is 23304389. The next prime is 23304439. The reversal of 23304432 is 23440332.
It is a junction number, because it is equal to n+sod(n) for n = 23304399 and 23304408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23304439) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242707 + ... + 242802.
It is an arithmetic number, because the mean of its divisors is an integer number (3010162).
Almost surely, 223304432 is an apocalyptic number.
It is an amenable number.
23304432 is an abundant number, since it is smaller than the sum of its proper divisors (36898808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23304432 is a wasteful number, since it uses less digits than its factorization.
23304432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485520 (or 485514 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 21.
The square root of 23304432 is about 4827.4664162478. The cubic root of 23304432 is about 285.6359329911.
Adding to 23304432 its reverse (23440332), we get a palindrome (46744764).
The spelling of 23304432 in words is "twenty-three million, three hundred four thousand, four hundred thirty-two".
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