Base | Representation |
---|---|
bin | 101100001110… |
… | …1100010100101 |
3 | 1121122011020122 |
4 | 1120131202211 |
5 | 21414032134 |
6 | 2145011325 |
7 | 401052236 |
oct | 130354245 |
9 | 47564218 |
10 | 23189669 |
11 | 120a9818 |
12 | 7923b45 |
13 | 4a5c1c9 |
14 | 311908d |
15 | 208102e |
hex | 161d8a5 |
23189669 has 4 divisors (see below), whose sum is σ = 23306400. Its totient is φ = 23072940.
The previous prime is 23189657. The next prime is 23189687. The reversal of 23189669 is 96698132.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23189669 - 24 = 23189653 is a prime.
It is a super-2 number, since 2×231896692 = 1075521496659122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23189689) 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, 58067 + ... + 58464.
It is an arithmetic number, because the mean of its divisors is an integer number (5826600).
Almost surely, 223189669 is an apocalyptic number.
It is an amenable number.
23189669 is a deficient number, since it is larger than the sum of its proper divisors (116731).
23189669 is a wasteful number, since it uses less digits than its factorization.
23189669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116730.
The product of its digits is 139968, while the sum is 44.
The square root of 23189669 is about 4815.5652835363. The cubic root of 23189669 is about 285.1662885116.
The spelling of 23189669 in words is "twenty-three million, one hundred eighty-nine thousand, six hundred sixty-nine".
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