Base | Representation |
---|---|
bin | 101100101100… |
… | …0011100101001 |
3 | 1122002102020002 |
4 | 1121120130221 |
5 | 21444242303 |
6 | 2154112345 |
7 | 403105550 |
oct | 131303451 |
9 | 48072202 |
10 | 23430953 |
11 | 12254027 |
12 | 7a1b6b5 |
13 | 4b14c90 |
14 | 317cd97 |
15 | 20cc788 |
hex | 1658729 |
23430953 has 16 divisors (see below), whose sum is σ = 29621760. Its totient is φ = 18035136.
The previous prime is 23430949. The next prime is 23430959. The reversal of 23430953 is 35903432.
It is not a de Polignac number, because 23430953 - 22 = 23430949 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23430959) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113 + ... + 6846.
It is an arithmetic number, because the mean of its divisors is an integer number (1851360).
Almost surely, 223430953 is an apocalyptic number.
It is an amenable number.
23430953 is a deficient number, since it is larger than the sum of its proper divisors (6190807).
23430953 is a wasteful number, since it uses less digits than its factorization.
23430953 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7016.
The product of its (nonzero) digits is 9720, while the sum is 29.
The square root of 23430953 is about 4840.5529642800. The cubic root of 23430953 is about 286.1519112443.
The spelling of 23430953 in words is "twenty-three million, four hundred thirty thousand, nine hundred fifty-three".
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