Base | Representation |
---|---|
bin | 101100010001… |
… | …0100111101110 |
3 | 1121200012210100 |
4 | 1120202213232 |
5 | 21420213403 |
6 | 2145251530 |
7 | 401200014 |
oct | 130424756 |
9 | 47605710 |
10 | 23210478 |
11 | 12113415 |
12 | 7933ba6 |
13 | 4a68815 |
14 | 31228b4 |
15 | 20872a3 |
hex | 16229ee |
23210478 has 24 divisors (see below), whose sum is σ = 50392368. Its totient is φ = 7720992.
The previous prime is 23210461. The next prime is 23210479. The reversal of 23210478 is 87401232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23210479) 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 11 ways as a sum of consecutive naturals, for example, 10650 + ... + 12642.
It is an arithmetic number, because the mean of its divisors is an integer number (2099682).
Almost surely, 223210478 is an apocalyptic number.
23210478 is an abundant number, since it is smaller than the sum of its proper divisors (27181890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23210478 is a wasteful number, since it uses less digits than its factorization.
23210478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2648 (or 2645 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 23210478 is about 4817.7253969067. The cubic root of 23210478 is about 285.2515599779.
The spelling of 23210478 in words is "twenty-three million, two hundred ten thousand, four hundred seventy-eight".
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