Base | Representation |
---|---|
bin | 101100011011… |
… | …0001110001000 |
3 | 1121211021220202 |
4 | 1120312032020 |
5 | 21430301020 |
6 | 2151111332 |
7 | 401653043 |
oct | 130661610 |
9 | 47737822 |
10 | 23290760 |
11 | 12168769 |
12 | 7972548 |
13 | 4a9621c |
14 | 3143c5a |
15 | 20a0e75 |
hex | 1636388 |
23290760 has 32 divisors (see below), whose sum is σ = 53823960. Its totient is φ = 9063936.
The previous prime is 23290739. The next prime is 23290783. The reversal of 23290760 is 6709232.
It can be written as a sum of positive squares in 4 ways, for example, as 23290276 + 484 = 4826^2 + 22^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6389 + ... + 9348.
Almost surely, 223290760 is an apocalyptic number.
23290760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23290760 is an abundant number, since it is smaller than the sum of its proper divisors (30533200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23290760 is a wasteful number, since it uses less digits than its factorization.
23290760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15785 (or 15781 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 23290760 is about 4826.0501447871. The cubic root of 23290760 is about 285.5800640987.
Adding to 23290760 its reverse (6709232), we get a palindrome (29999992).
The spelling of 23290760 in words is "twenty-three million, two hundred ninety thousand, seven hundred sixty".
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