Base | Representation |
---|---|
bin | 110101100100… |
… | …0001111111011 |
3 | 1221211202220100 |
4 | 1223020033323 |
5 | 24142130240 |
6 | 2441530443 |
7 | 460463130 |
oct | 153101773 |
9 | 57752810 |
10 | 28083195 |
11 | 14941358 |
12 | 94a3a23 |
13 | 5a8369a |
14 | 3a30587 |
15 | 26eae30 |
hex | 1ac83fb |
28083195 has 24 divisors (see below), whose sum is σ = 55632096. Its totient is φ = 12837888.
The previous prime is 28083193. The next prime is 28083199. The reversal of 28083195 is 59138082.
It is not a de Polignac number, because 28083195 - 21 = 28083193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28083191) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44262 + ... + 44891.
It is an arithmetic number, because the mean of its divisors is an integer number (2318004).
Almost surely, 228083195 is an apocalyptic number.
28083195 is a deficient number, since it is larger than the sum of its proper divisors (27548901).
28083195 is a wasteful number, since it uses less digits than its factorization.
28083195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89171 (or 89168 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 28083195 is about 5299.3579799821. The cubic root of 28083195 is about 303.9593486444.
The spelling of 28083195 in words is "twenty-eight million, eighty-three thousand, one hundred ninety-five".
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