Base | Representation |
---|---|
bin | 110101100101… |
… | …1011100010111 |
3 | 1221212102211221 |
4 | 1223023130113 |
5 | 24143040104 |
6 | 2442111211 |
7 | 460546231 |
oct | 153133427 |
9 | 57772757 |
10 | 28096279 |
11 | 14950172 |
12 | 94ab507 |
13 | 5a89623 |
14 | 3a35251 |
15 | 26eec54 |
hex | 1acb717 |
28096279 has 4 divisors (see below), whose sum is σ = 28107360. Its totient is φ = 28085200.
The previous prime is 28096267. The next prime is 28096297. The reversal of 28096279 is 97269082.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97269082 = 2 ⋅48634541.
It is a cyclic number.
It is not a de Polignac number, because 28096279 - 213 = 28088087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28096219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354 + ... + 7504.
It is an arithmetic number, because the mean of its divisors is an integer number (7026840).
Almost surely, 228096279 is an apocalyptic number.
28096279 is a deficient number, since it is larger than the sum of its proper divisors (11081).
28096279 is an equidigital number, since it uses as much as digits as its factorization.
28096279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11080.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 28096279 is about 5300.5923253916. The cubic root of 28096279 is about 304.0065463445.
The spelling of 28096279 in words is "twenty-eight million, ninety-six thousand, two hundred seventy-nine".
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