Base | Representation |
---|---|
bin | 110110111111… |
… | …1110110000101 |
3 | 2000020222110120 |
4 | 1231333312011 |
5 | 24340211310 |
6 | 2510012153 |
7 | 500044440 |
oct | 155776605 |
9 | 60228416 |
10 | 28835205 |
11 | 15305353 |
12 | 97a7059 |
13 | 5c87a69 |
14 | 3b88657 |
15 | 27e8b70 |
hex | 1b7fd85 |
28835205 has 32 divisors (see below), whose sum is σ = 53858304. Its totient is φ = 12899136.
The previous prime is 28835167. The next prime is 28835221. The reversal of 28835205 is 50253882.
It is not a de Polignac number, because 28835205 - 210 = 28834181 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014 + ... + 7856.
It is an arithmetic number, because the mean of its divisors is an integer number (1683072).
Almost surely, 228835205 is an apocalyptic number.
It is an amenable number.
28835205 is a deficient number, since it is larger than the sum of its proper divisors (25023099).
28835205 is a wasteful number, since it uses less digits than its factorization.
28835205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5905.
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 28835205 is about 5369.8421764517. The cubic root of 28835205 is about 306.6486198947.
The spelling of 28835205 in words is "twenty-eight million, eight hundred thirty-five thousand, two hundred five".
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