Search a number
3188 = 22797
BaseRepresentation
bin110001110100
311101002
4301310
5100223
622432
712203
oct6164
94332
103188
112439
121a18
1315b3
14123a
15e28
hexc74

3188 has 6 divisors (see below), whose sum is σ = 5586. Its totient is φ = 1592.

The previous prime is 3187. The next prime is 3191. The reversal of 3188 is 8813.

3188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2704 + 484 = 52^2 + 22^2 .

It is a plaindrome in base 14.

It is a nialpdrome in base 9 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (931).

23188 is an apocalyptic number.

It is an amenable number.

3188 is a deficient number, since it is larger than the sum of its proper divisors (2398).

3188 is a wasteful number, since it uses less digits than its factorization.

3188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 3188 is about 56.4623768540. The cubic root of 3188 is about 14.7176827638.

Subtracting 3188 from its reverse (8813), we obtain a square (5625 = 752).

It can be divided in two parts, 3 and 188, that added together give a palindrome (191).

The spelling of 3188 in words is "three thousand, one hundred eighty-eight".

Divisors: 1 2 4 797 1594 3188