Base | Representation |
---|---|
bin | 1000100000001000101111 |
3 | 11012020022112 |
4 | 20200020233 |
5 | 1032310113 |
6 | 115434235 |
7 | 24641624 |
oct | 10401057 |
9 | 4166275 |
10 | 2228783 |
11 | 1292577 |
12 | 8b597b |
13 | 60060b |
14 | 42034b |
15 | 2e05a8 |
hex | 22022f |
2228783 has 2 divisors, whose sum is σ = 2228784. Its totient is φ = 2228782.
The previous prime is 2228777. The next prime is 2228797. The reversal of 2228783 is 3878222.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2228783 - 212 = 2224687 is a prime.
It is a super-2 number, since 2×22287832 = 9934947322178, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2228713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114391 + 1114392.
It is an arithmetic number, because the mean of its divisors is an integer number (1114392).
22228783 is an apocalyptic number.
2228783 is a deficient number, since it is larger than the sum of its proper divisors (1).
2228783 is an equidigital number, since it uses as much as digits as its factorization.
2228783 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10752, while the sum is 32.
The square root of 2228783 is about 1492.9109149578. The cubic root of 2228783 is about 130.6238847459.
The spelling of 2228783 in words is "two million, two hundred twenty-eight thousand, seven hundred eighty-three".
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