Base | Representation |
---|---|
bin | 100110101110… |
… | …1000101100010 |
3 | 1102012120011101 |
4 | 1031131011202 |
5 | 20144213401 |
6 | 2003105014 |
7 | 334403665 |
oct | 115350542 |
9 | 42176141 |
10 | 20304226 |
11 | 10508958 |
12 | 697216a |
13 | 428ba47 |
14 | 29a76dc |
15 | 1bb1101 |
hex | 135d162 |
20304226 has 8 divisors (see below), whose sum is σ = 30522960. Its totient is φ = 10129908.
The previous prime is 20304223. The next prime is 20304227. The reversal of 20304226 is 62240302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20304223) 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, 9936 + ... + 11803.
It is an arithmetic number, because the mean of its divisors is an integer number (3815370).
Almost surely, 220304226 is an apocalyptic number.
20304226 is a deficient number, since it is larger than the sum of its proper divisors (10218734).
20304226 is a wasteful number, since it uses less digits than its factorization.
20304226 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22208.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 20304226 is about 4506.0210829511. The cubic root of 20304226 is about 272.8111688223.
Adding to 20304226 its reverse (62240302), we get a palindrome (82544528).
The spelling of 20304226 in words is "twenty million, three hundred four thousand, two hundred twenty-six".
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