Base | Representation |
---|---|
bin | 101100000110… |
… | …1010000011001 |
3 | 1121111202202021 |
4 | 1120031100121 |
5 | 21404413334 |
6 | 2143334441 |
7 | 400353622 |
oct | 130152031 |
9 | 47452667 |
10 | 23122969 |
11 | 120636a1 |
12 | 78b1421 |
13 | 4a37a3c |
14 | 30dca49 |
15 | 206b3b4 |
hex | 160d419 |
23122969 has 4 divisors (see below), whose sum is σ = 23439796. Its totient is φ = 22806144.
The previous prime is 23122961. The next prime is 23122991. The reversal of 23122969 is 96922132.
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 15210000 + 7912969 = 3900^2 + 2813^2 .
It is a cyclic number.
It is not a de Polignac number, because 23122969 - 23 = 23122961 is a prime.
It is a super-2 number, since 2×231229692 = 1069343390749922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23122961) 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, 158304 + ... + 158449.
It is an arithmetic number, because the mean of its divisors is an integer number (5859949).
Almost surely, 223122969 is an apocalyptic number.
It is an amenable number.
23122969 is a deficient number, since it is larger than the sum of its proper divisors (316827).
23122969 is an equidigital number, since it uses as much as digits as its factorization.
23122969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316826.
The product of its digits is 11664, while the sum is 34.
The square root of 23122969 is about 4808.6348374565. The cubic root of 23122969 is about 284.8926198529.
The spelling of 23122969 in words is "twenty-three million, one hundred twenty-two thousand, nine hundred sixty-nine".
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