Base | Representation |
---|---|
bin | 101100000010… |
… | …0111110011001 |
3 | 1121110001012222 |
4 | 1120010332121 |
5 | 21402322144 |
6 | 2142513425 |
7 | 400153004 |
oct | 130047631 |
9 | 47401188 |
10 | 23089049 |
11 | 12040165 |
12 | 7895875 |
13 | 4a25479 |
14 | 30d053b |
15 | 20612ee |
hex | 1604f99 |
23089049 has 4 divisors (see below), whose sum is σ = 23467620. Its totient is φ = 22710480.
The previous prime is 23089037. The next prime is 23089051. The reversal of 23089049 is 94098032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 22391824 = 835^2 + 4732^2 .
It is a cyclic number.
It is not a de Polignac number, because 23089049 - 212 = 23084953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23089019) 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, 189194 + ... + 189315.
It is an arithmetic number, because the mean of its divisors is an integer number (5866905).
Almost surely, 223089049 is an apocalyptic number.
It is an amenable number.
23089049 is a deficient number, since it is larger than the sum of its proper divisors (378571).
23089049 is an equidigital number, since it uses as much as digits as its factorization.
23089049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378570.
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 23089049 is about 4805.1065544897. The cubic root of 23089049 is about 284.7532449194.
The spelling of 23089049 in words is "twenty-three million, eighty-nine thousand, forty-nine".
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