Base | Representation |
---|---|
bin | 110111000001… |
… | …0111111000001 |
3 | 2000021122002212 |
4 | 1232002333001 |
5 | 24341114230 |
6 | 2510151505 |
7 | 500130101 |
oct | 156027701 |
9 | 60248085 |
10 | 28848065 |
11 | 15313a84 |
12 | 97b2595 |
13 | 5c9087c |
14 | 3b8d201 |
15 | 27ec895 |
hex | 1b82fc1 |
28848065 has 8 divisors (see below), whose sum is σ = 36654120. Its totient is φ = 21720832.
The previous prime is 28848041. The next prime is 28848107. The reversal of 28848065 is 56084882.
It can be written as a sum of positive squares in 4 ways, for example, as 9628609 + 19219456 = 3103^2 + 4384^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28848065 - 210 = 28847041 is a prime.
It is a Curzon 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, 169610 + ... + 169779.
It is an arithmetic number, because the mean of its divisors is an integer number (4581765).
Almost surely, 228848065 is an apocalyptic number.
It is an amenable number.
28848065 is a deficient number, since it is larger than the sum of its proper divisors (7806055).
28848065 is a wasteful number, since it uses less digits than its factorization.
28848065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339411.
The product of its (nonzero) digits is 122880, while the sum is 41.
The square root of 28848065 is about 5371.0394710894. The cubic root of 28848065 is about 306.6941997701.
The spelling of 28848065 in words is "twenty-eight million, eight hundred forty-eight thousand, sixty-five".
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