Base | Representation |
---|---|
bin | 110101100000… |
… | …0010111001111 |
3 | 1221210010121001 |
4 | 1223000113033 |
5 | 24140112040 |
6 | 2441121131 |
7 | 460300015 |
oct | 153002717 |
9 | 57703531 |
10 | 28050895 |
11 | 1491a064 |
12 | 94891a7 |
13 | 5a71a82 |
14 | 3a228b5 |
15 | 26e159a |
hex | 1ac05cf |
28050895 has 8 divisors (see below), whose sum is σ = 33904080. Its totient is φ = 22278720.
The previous prime is 28050881. The next prime is 28050923. The reversal of 28050895 is 59805082.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28050895 - 25 = 28050863 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19486 + ... + 20875.
It is an arithmetic number, because the mean of its divisors is an integer number (4238010).
Almost surely, 228050895 is an apocalyptic number.
28050895 is a deficient number, since it is larger than the sum of its proper divisors (5853185).
28050895 is a wasteful number, since it uses less digits than its factorization.
28050895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40505.
The product of its (nonzero) digits is 28800, while the sum is 37.
The square root of 28050895 is about 5296.3095642154. The cubic root of 28050895 is about 303.8427705818.
The spelling of 28050895 in words is "twenty-eight million, fifty thousand, eight hundred ninety-five".
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