Base | Representation |
---|---|
bin | 110110011111… |
… | …0110101110110 |
3 | 1222202110020021 |
4 | 1230332311312 |
5 | 24303201300 |
6 | 2500155354 |
7 | 464555254 |
oct | 154766566 |
9 | 58673207 |
10 | 28568950 |
11 | 15143303 |
12 | 9698b5a |
13 | 5bc3807 |
14 | 3b195d4 |
15 | 2794d1a |
hex | 1b3ed76 |
28568950 has 24 divisors (see below), whose sum is σ = 54273312. Its totient is φ = 11183520.
The previous prime is 28568927. The next prime is 28568957. The reversal of 28568950 is 5986582.
It is a junction number, because it is equal to n+sod(n) for n = 28568897 and 28568906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28568957) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 3729 + ... + 8428.
It is an arithmetic number, because the mean of its divisors is an integer number (2261388).
Almost surely, 228568950 is an apocalyptic number.
28568950 is a deficient number, since it is larger than the sum of its proper divisors (25704362).
28568950 is a wasteful number, since it uses less digits than its factorization.
28568950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12216 (or 12211 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 43.
The square root of 28568950 is about 5344.9929840927. The cubic root of 28568950 is about 305.7018683426.
The spelling of 28568950 in words is "twenty-eight million, five hundred sixty-eight thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.019 sec. • engine limits •