Base | Representation |
---|---|
bin | 110110111011… |
… | …1011101111110 |
3 | 2000012020101210 |
4 | 1231313131332 |
5 | 24333112034 |
6 | 2505145250 |
7 | 466542423 |
oct | 155673576 |
9 | 60166353 |
10 | 28800894 |
11 | 152915a1 |
12 | 978b226 |
13 | 5c75265 |
14 | 3b79d4a |
15 | 27dd8e9 |
hex | 1b7777e |
28800894 has 8 divisors (see below), whose sum is σ = 57601800. Its totient is φ = 9600296.
The previous prime is 28800883. The next prime is 28800913. The reversal of 28800894 is 49800882.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
28800894 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2400069 + ... + 2400080.
It is an arithmetic number, because the mean of its divisors is an integer number (7200225).
Almost surely, 228800894 is an apocalyptic number.
28800894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28800894 is a wasteful number, since it uses less digits than its factorization.
28800894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4800154.
The product of its (nonzero) digits is 36864, while the sum is 39.
The square root of 28800894 is about 5366.6464388853. The cubic root of 28800894 is about 306.5269445942.
The spelling of 28800894 in words is "twenty-eight million, eight hundred thousand, eight hundred ninety-four".
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