Base | Representation |
---|---|
bin | 110110011110… |
… | …0111100101011 |
3 | 1222202001121001 |
4 | 1230330330223 |
5 | 24302424240 |
6 | 2500055431 |
7 | 464523535 |
oct | 154747453 |
9 | 58661531 |
10 | 28561195 |
11 | 151384a3 |
12 | 9694577 |
13 | 5bc0120 |
14 | 3b16855 |
15 | 279289a |
hex | 1b3cf2b |
28561195 has 16 divisors (see below), whose sum is σ = 37699200. Its totient is φ = 20640384.
The previous prime is 28561187. The next prime is 28561219. The reversal of 28561195 is 59116582.
It is a cyclic number.
It is not a de Polignac number, because 28561195 - 23 = 28561187 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 7729.
It is an arithmetic number, because the mean of its divisors is an integer number (2356200).
Almost surely, 228561195 is an apocalyptic number.
28561195 is a deficient number, since it is larger than the sum of its proper divisors (9138005).
28561195 is a wasteful number, since it uses less digits than its factorization.
28561195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9414.
The product of its digits is 21600, while the sum is 37.
The square root of 28561195 is about 5344.2674895630. The cubic root of 28561195 is about 305.6742050633.
The spelling of 28561195 in words is "twenty-eight million, five hundred sixty-one thousand, one hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •