Base | Representation |
---|---|
bin | 110110111110… |
… | …1101101100001 |
3 | 2000020112110212 |
4 | 1231331231201 |
5 | 24334421330 |
6 | 2505503505 |
7 | 500010113 |
oct | 155755541 |
9 | 60215425 |
10 | 28826465 |
11 | 152a9828 |
12 | 97a1b95 |
13 | 5c83aa5 |
14 | 3b853b3 |
15 | 27e6295 |
hex | 1b7db61 |
28826465 has 8 divisors (see below), whose sum is σ = 35159208. Its totient is φ = 22682880.
The previous prime is 28826449. The next prime is 28826489. The reversal of 28826465 is 56462882.
It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 27164944 = 1289^2 + 5212^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28826465 - 24 = 28826449 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46952 + ... + 47561.
It is an arithmetic number, because the mean of its divisors is an integer number (4394901).
Almost surely, 228826465 is an apocalyptic number.
It is an amenable number.
28826465 is a deficient number, since it is larger than the sum of its proper divisors (6332743).
28826465 is an equidigital number, since it uses as much as digits as its factorization.
28826465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94579.
The product of its digits is 184320, while the sum is 41.
The square root of 28826465 is about 5369.0283105977. The cubic root of 28826465 is about 306.6176348568.
The spelling of 28826465 in words is "twenty-eight million, eight hundred twenty-six thousand, four hundred sixty-five".
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