Base | Representation |
---|---|
bin | 1010111001000… |
… | …1010111001001 |
3 | 10011221222220021 |
4 | 2232101113021 |
5 | 43143343134 |
6 | 4311100441 |
7 | 1063210666 |
oct | 256212711 |
9 | 104858807 |
10 | 45684169 |
11 | 23873213 |
12 | 13371721 |
13 | 9606b6b |
14 | 60d2a6d |
15 | 40260b4 |
hex | 2b915c9 |
45684169 has 4 divisors (see below), whose sum is σ = 46327680. Its totient is φ = 45040660.
The previous prime is 45684161. The next prime is 45684179. The reversal of 45684169 is 96148654.
45684169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 45684169 - 23 = 45684161 is a prime.
It is a super-2 number, since 2×456841692 = 4174086594441122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45684161) 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, 321649 + ... + 321790.
It is an arithmetic number, because the mean of its divisors is an integer number (11581920).
Almost surely, 245684169 is an apocalyptic number.
It is an amenable number.
45684169 is a deficient number, since it is larger than the sum of its proper divisors (643511).
45684169 is an equidigital number, since it uses as much as digits as its factorization.
45684169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643510.
The product of its digits is 207360, while the sum is 43.
The square root of 45684169 is about 6759.0065098356. The cubic root of 45684169 is about 357.4828759301.
The spelling of 45684169 in words is "forty-five million, six hundred eighty-four thousand, one hundred sixty-nine".
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