Search a number
-
+
13775828 = 2211313087
BaseRepresentation
bin110100100011…
…001111010100
3221220212212212
4310203033110
512011311303
61211132552
7225043523
oct64431724
927825785
1013775828
117859a90
124744158
132b143a1
141b884ba
151321ad8
hexd233d4

13775828 has 12 divisors (see below), whose sum is σ = 26299392. Its totient is φ = 6261720.

The previous prime is 13775821. The next prime is 13775833. The reversal of 13775828 is 82857731.

13775828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775821) 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, 156500 + ... + 156587.

It is an arithmetic number, because the mean of its divisors is an integer number (2191616).

Almost surely, 213775828 is an apocalyptic number.

It is an amenable number.

13775828 is a deficient number, since it is larger than the sum of its proper divisors (12523564).

13775828 is a wasteful number, since it uses less digits than its factorization.

13775828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313102 (or 313100 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 13775828 is about 3711.5802564406. The cubic root of 13775828 is about 239.7209024132.

The spelling of 13775828 in words is "thirteen million, seven hundred seventy-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 313087 626174 1252348 3443957 6887914 13775828