Base | Representation |
---|---|
bin | 110111000000… |
… | …0101100100111 |
3 | 2000021011020211 |
4 | 1232000230213 |
5 | 24340314240 |
6 | 2510040251 |
7 | 500060554 |
oct | 156005447 |
9 | 60234224 |
10 | 28838695 |
11 | 15307a36 |
12 | 97a9087 |
13 | 5c89522 |
14 | 3b89a2b |
15 | 27e9bea |
hex | 1b80b27 |
28838695 has 4 divisors (see below), whose sum is σ = 34606440. Its totient is φ = 23070952.
The previous prime is 28838687. The next prime is 28838699. The reversal of 28838695 is 59683882.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28838695 - 23 = 28838687 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28838699) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883865 + ... + 2883874.
It is an arithmetic number, because the mean of its divisors is an integer number (8651610).
Almost surely, 228838695 is an apocalyptic number.
28838695 is a deficient number, since it is larger than the sum of its proper divisors (5767745).
28838695 is an equidigital number, since it uses as much as digits as its factorization.
28838695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5767744.
The product of its digits is 829440, while the sum is 49.
The square root of 28838695 is about 5370.1671296152. The cubic root of 28838695 is about 306.6609908895.
It can be divided in two parts, 288 and 38695, that added together give a palindrome (38983).
The spelling of 28838695 in words is "twenty-eight million, eight hundred thirty-eight thousand, six hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •