Base | Representation |
---|---|
bin | 101100010000… |
… | …1001111010111 |
3 | 1121122221000220 |
4 | 1120201033113 |
5 | 21420023243 |
6 | 2145205423 |
7 | 401144355 |
oct | 130411727 |
9 | 47587026 |
10 | 23204823 |
11 | 1210a144 |
12 | 7930873 |
13 | 4a66085 |
14 | 31207d5 |
15 | 2085783 |
hex | 16213d7 |
23204823 has 4 divisors (see below), whose sum is σ = 30939768. Its totient is φ = 15469880.
The previous prime is 23204803. The next prime is 23204837. The reversal of 23204823 is 32840232.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23204823 - 213 = 23196631 is a prime.
It is a super-2 number, since 2×232048232 = 1076927620922658, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23204793 and 23204802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23204803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3867468 + ... + 3867473.
It is an arithmetic number, because the mean of its divisors is an integer number (7734942).
Almost surely, 223204823 is an apocalyptic number.
23204823 is a deficient number, since it is larger than the sum of its proper divisors (7734945).
23204823 is an equidigital number, since it uses as much as digits as its factorization.
23204823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7734944.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 23204823 is about 4817.1384659360. The cubic root of 23204823 is about 285.2283918697.
The spelling of 23204823 in words is "twenty-three million, two hundred four thousand, eight hundred twenty-three".
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