Base | Representation |
---|---|
bin | 101100100110… |
… | …0001001001010 |
3 | 1121222212002110 |
4 | 1121030021022 |
5 | 21441134204 |
6 | 2153043150 |
7 | 402505611 |
oct | 131141112 |
9 | 47885073 |
10 | 23380554 |
11 | 1221a17a |
12 | 79b64b6 |
13 | 4ac8062 |
14 | 3168878 |
15 | 20bc889 |
hex | 164c24a |
23380554 has 16 divisors (see below), whose sum is σ = 48373920. Its totient is φ = 7524720.
The previous prime is 23380549. The next prime is 23380561. The reversal of 23380554 is 45508332.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67012 + ... + 67359.
It is an arithmetic number, because the mean of its divisors is an integer number (3023370).
Almost surely, 223380554 is an apocalyptic number.
23380554 is an abundant number, since it is smaller than the sum of its proper divisors (24993366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23380554 is a wasteful number, since it uses less digits than its factorization.
23380554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134405.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 23380554 is about 4835.3442483447. The cubic root of 23380554 is about 285.9465970351.
Adding to 23380554 its reverse (45508332), we get a palindrome (68888886).
The spelling of 23380554 in words is "twenty-three million, three hundred eighty thousand, five hundred fifty-four".
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