Base | Representation |
---|---|
bin | 101100010000… |
… | …1010010100011 |
3 | 1121122221022110 |
4 | 1120201102203 |
5 | 21420030102 |
6 | 2145210403 |
7 | 401145066 |
oct | 130412243 |
9 | 47587273 |
10 | 23205027 |
11 | 1210a30a |
12 | 7930a03 |
13 | 4a661b1 |
14 | 31208dd |
15 | 208586c |
hex | 16214a3 |
23205027 has 4 divisors (see below), whose sum is σ = 30940040. Its totient is φ = 15470016.
The previous prime is 23205011. The next prime is 23205067. The reversal of 23205027 is 72050232.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 23205027 - 24 = 23205011 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23204994 and 23205012.
It is not an unprimeable number, because it can be changed into a prime (23205067) 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, 3867502 + ... + 3867507.
It is an arithmetic number, because the mean of its divisors is an integer number (7735010).
Almost surely, 223205027 is an apocalyptic number.
23205027 is a deficient number, since it is larger than the sum of its proper divisors (7735013).
23205027 is an equidigital number, since it uses as much as digits as its factorization.
23205027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7735012.
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 23205027 is about 4817.1596402860. The cubic root of 23205027 is about 285.2292277078.
Adding to 23205027 its reverse (72050232), we get a palindrome (95255259).
The spelling of 23205027 in words is "twenty-three million, two hundred five thousand, twenty-seven".
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