Base | Representation |
---|---|
bin | 101100011010… |
… | …0100001101001 |
3 | 1121210221101121 |
4 | 1120310201221 |
5 | 21430040232 |
6 | 2151015241 |
7 | 401623564 |
oct | 130644151 |
9 | 47727347 |
10 | 23283817 |
11 | 12163527 |
12 | 796a521 |
13 | 4a9300b |
14 | 31414db |
15 | 209dd97 |
hex | 1634869 |
23283817 has 4 divisors (see below), whose sum is σ = 23497540. Its totient is φ = 23070096.
The previous prime is 23283803. The next prime is 23283851. The reversal of 23283817 is 71838232.
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 20985561 + 2298256 = 4581^2 + 1516^2 .
It is a cyclic number.
It is not a de Polignac number, because 23283817 - 215 = 23251049 is a prime.
It is a super-2 number, since 2×232838172 = 1084272268178978, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23283857) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106698 + ... + 106915.
It is an arithmetic number, because the mean of its divisors is an integer number (5874385).
Almost surely, 223283817 is an apocalyptic number.
It is an amenable number.
23283817 is a deficient number, since it is larger than the sum of its proper divisors (213723).
23283817 is a wasteful number, since it uses less digits than its factorization.
23283817 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213722.
The product of its digits is 16128, while the sum is 34.
The square root of 23283817 is about 4825.3307658647. The cubic root of 23283817 is about 285.5516840395.
The spelling of 23283817 in words is "twenty-three million, two hundred eighty-three thousand, eight hundred seventeen".
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