Base | Representation |
---|---|
bin | 110110111111… |
… | …1110001111111 |
3 | 2000020222002212 |
4 | 1231333301333 |
5 | 24340204233 |
6 | 2510011035 |
7 | 500043614 |
oct | 155776177 |
9 | 60228085 |
10 | 28834943 |
11 | 15305135 |
12 | 97a6a7b |
13 | 5c878c7 |
14 | 3b8850b |
15 | 27e8a48 |
hex | 1b7fc7f |
28834943 has 2 divisors, whose sum is σ = 28834944. Its totient is φ = 28834942.
The previous prime is 28834937. The next prime is 28834963. The reversal of 28834943 is 34943882.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28834943 - 26 = 28834879 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28834943.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28834933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417471 + 14417472.
It is an arithmetic number, because the mean of its divisors is an integer number (14417472).
Almost surely, 228834943 is an apocalyptic number.
28834943 is a deficient number, since it is larger than the sum of its proper divisors (1).
28834943 is an equidigital number, since it uses as much as digits as its factorization.
28834943 is an evil number, because the sum of its binary digits is even.
The product of its digits is 165888, while the sum is 41.
The square root of 28834943 is about 5369.8177808935. The cubic root of 28834943 is about 306.6476911437.
The spelling of 28834943 in words is "twenty-eight million, eight hundred thirty-four thousand, nine hundred forty-three".
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