Base | Representation |
---|---|
bin | 1000100000001010110011 |
3 | 11012020111102 |
4 | 20200022303 |
5 | 1032311130 |
6 | 115435015 |
7 | 24642203 |
oct | 10401263 |
9 | 4166442 |
10 | 2228915 |
11 | 1292687 |
12 | 8b5a6b |
13 | 6006b0 |
14 | 420403 |
15 | 2e0645 |
hex | 2202b3 |
2228915 has 16 divisors (see below), whose sum is σ = 2939328. Its totient is φ = 1612416.
The previous prime is 2228893. The next prime is 2228923. The reversal of 2228915 is 5198222.
It is not a de Polignac number, because 2228915 - 28 = 2228659 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122 + ... + 3768.
It is an arithmetic number, because the mean of its divisors is an integer number (183708).
22228915 is an apocalyptic number.
2228915 is a deficient number, since it is larger than the sum of its proper divisors (710413).
2228915 is a wasteful number, since it uses less digits than its factorization.
2228915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718.
The product of its digits is 2880, while the sum is 29.
The square root of 2228915 is about 1492.9551232371. The cubic root of 2228915 is about 130.6264634345.
The spelling of 2228915 in words is "two million, two hundred twenty-eight thousand, nine hundred fifteen".
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