Base | Representation |
---|---|
bin | 101100000001… |
… | …1011011101001 |
3 | 1121102201112220 |
4 | 1120003123221 |
5 | 21402121404 |
6 | 2142424253 |
7 | 400125405 |
oct | 130033351 |
9 | 47381486 |
10 | 23082729 |
11 | 1203643a |
12 | 7892089 |
13 | 4a22627 |
14 | 30cc105 |
15 | 205e4d9 |
hex | 16036e9 |
23082729 has 4 divisors (see below), whose sum is σ = 30776976. Its totient is φ = 15388484.
The previous prime is 23082727. The next prime is 23082737. The reversal of 23082729 is 92728032.
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 23082729 - 21 = 23082727 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23082729.
It is not an unprimeable number, because it can be changed into a prime (23082727) 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, 3847119 + ... + 3847124.
It is an arithmetic number, because the mean of its divisors is an integer number (7694244).
Almost surely, 223082729 is an apocalyptic number.
It is an amenable number.
23082729 is a deficient number, since it is larger than the sum of its proper divisors (7694247).
23082729 is an equidigital number, since it uses as much as digits as its factorization.
23082729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7694246.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 23082729 is about 4804.4488757817. The cubic root of 23082729 is about 284.7272613931.
The spelling of 23082729 in words is "twenty-three million, eighty-two thousand, seven hundred twenty-nine".
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