Base | Representation |
---|---|
bin | 101101001010… |
… | …0110010000000 |
3 | 1122112222012221 |
4 | 1122110302000 |
5 | 22030144310 |
6 | 2203300424 |
7 | 405155206 |
oct | 132246200 |
9 | 48488187 |
10 | 23678080 |
11 | 12402768 |
12 | 7b1a714 |
13 | 4ba05ca |
14 | 3205076 |
15 | 212aada |
hex | 1694c80 |
23678080 has 32 divisors (see below), whose sum is σ = 56606940. Its totient is φ = 9470976.
The previous prime is 23678071. The next prime is 23678087. The reversal of 23678080 is 8087632.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 23580736 + 97344 = 4856^2 + 312^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (23678087) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17859 + ... + 19138.
Almost surely, 223678080 is an apocalyptic number.
23678080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23678080 is an abundant number, since it is smaller than the sum of its proper divisors (32928860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23678080 is an equidigital number, since it uses as much as digits as its factorization.
23678080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37016 (or 37004 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 23678080 is about 4866.0127414548. The cubic root of 23678080 is about 287.1544127331.
The spelling of 23678080 in words is "twenty-three million, six hundred seventy-eight thousand, eighty".
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