Base | Representation |
---|---|
bin | 101011101011… |
… | …0100001111101 |
3 | 1121002101021012 |
4 | 1113112201331 |
5 | 21330230223 |
6 | 2134445005 |
7 | 365431250 |
oct | 127264175 |
9 | 47071235 |
10 | 22898813 |
11 | 11a20243 |
12 | 7803765 |
13 | 49899c2 |
14 | 3081097 |
15 | 2024c78 |
hex | 15d687d |
22898813 has 16 divisors (see below), whose sum is σ = 27840384. Its totient is φ = 18385920.
The previous prime is 22898797. The next prime is 22898831. The reversal of 22898813 is 31889822.
It is a happy number.
It is not a de Polignac number, because 22898813 - 24 = 22898797 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22898413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39818 + ... + 40388.
It is an arithmetic number, because the mean of its divisors is an integer number (1740024).
Almost surely, 222898813 is an apocalyptic number.
It is an amenable number.
22898813 is a deficient number, since it is larger than the sum of its proper divisors (4941571).
22898813 is a wasteful number, since it uses less digits than its factorization.
22898813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932.
The product of its digits is 55296, while the sum is 41.
The square root of 22898813 is about 4785.2704207808. The cubic root of 22898813 is about 283.9690379854.
The spelling of 22898813 in words is "twenty-two million, eight hundred ninety-eight thousand, eight hundred thirteen".
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