Base | Representation |
---|---|
bin | 101100101100… |
… | …0011100100111 |
3 | 1122002102020000 |
4 | 1121120130213 |
5 | 21444242301 |
6 | 2154112343 |
7 | 403105545 |
oct | 131303447 |
9 | 48072200 |
10 | 23430951 |
11 | 12254025 |
12 | 7a1b6b3 |
13 | 4b14c8b |
14 | 317cd95 |
15 | 20cc786 |
hex | 1658727 |
23430951 has 20 divisors (see below), whose sum is σ = 36526512. Its totient is φ = 14940288.
The previous prime is 23430949. The next prime is 23430959. The reversal of 23430951 is 15903432.
It is not a de Polignac number, because 23430951 - 21 = 23430949 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23430959) 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 19 ways as a sum of consecutive naturals, for example, 4426 + ... + 8151.
Almost surely, 223430951 is an apocalyptic number.
23430951 is a deficient number, since it is larger than the sum of its proper divisors (13095561).
23430951 is a wasteful number, since it uses less digits than its factorization.
23430951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12612 (or 12603 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 23430951 is about 4840.5527576920. The cubic root of 23430951 is about 286.1519031026.
The spelling of 23430951 in words is "twenty-three million, four hundred thirty thousand, nine hundred fifty-one".
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