Base | Representation |
---|---|
bin | 101100011010… |
… | …1111010000010 |
3 | 1121211020011010 |
4 | 1120311322002 |
5 | 21430230344 |
6 | 2151101350 |
7 | 401646225 |
oct | 130657202 |
9 | 47736133 |
10 | 23289474 |
11 | 121677aa |
12 | 7971856 |
13 | 4a95770 |
14 | 31435bc |
15 | 20a08b9 |
hex | 1635e82 |
23289474 has 16 divisors (see below), whose sum is σ = 50162112. Its totient is φ = 7165968.
The previous prime is 23289467. The next prime is 23289479. The reversal of 23289474 is 47498232.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (23289479) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149214 + ... + 149369.
It is an arithmetic number, because the mean of its divisors is an integer number (3135132).
Almost surely, 223289474 is an apocalyptic number.
23289474 is an abundant number, since it is smaller than the sum of its proper divisors (26872638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23289474 is a wasteful number, since it uses less digits than its factorization.
23289474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298601.
The product of its digits is 96768, while the sum is 39.
The square root of 23289474 is about 4825.9169076974. The cubic root of 23289474 is about 285.5748078981.
The spelling of 23289474 in words is "twenty-three million, two hundred eighty-nine thousand, four hundred seventy-four".
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