Base | Representation |
---|---|
bin | 110101111110… |
… | …1001110100011 |
3 | 1222020210120101 |
4 | 1223331032203 |
5 | 24221101240 |
6 | 2450323231 |
7 | 462355600 |
oct | 153751643 |
9 | 58223511 |
10 | 28300195 |
11 | 14a7a3a0 |
12 | 9589517 |
13 | 5b2b3a1 |
14 | 3a896a7 |
15 | 274039a |
hex | 1afd3a3 |
28300195 has 24 divisors (see below), whose sum is σ = 43100208. Its totient is φ = 17640000.
The previous prime is 28300159. The next prime is 28300213. The reversal of 28300195 is 59100382.
It is not a de Polignac number, because 28300195 - 211 = 28298147 is a prime.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2556 + ... + 7945.
It is an arithmetic number, because the mean of its divisors is an integer number (1795842).
Almost surely, 228300195 is an apocalyptic number.
28300195 is a deficient number, since it is larger than the sum of its proper divisors (14800013).
28300195 is a wasteful number, since it uses less digits than its factorization.
28300195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10531 (or 10524 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 28300195 is about 5319.7927591214. The cubic root of 28300195 is about 304.7402428703.
The spelling of 28300195 in words is "twenty-eight million, three hundred thousand, one hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •