Search a number
-
+
6149791 is a prime number
BaseRepresentation
bin10111011101011010011111
3102120102221001
4113131122133
53033243131
6335451131
7103162264
oct27353237
912512831
106149791
11352047a
122086aa7
13137423b
14b6126b
15817261
hex5dd69f

6149791 has 2 divisors, whose sum is σ = 6149792. Its totient is φ = 6149790.

The previous prime is 6149783. The next prime is 6149797. The reversal of 6149791 is 1979416.

6149791 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6149791 - 23 = 6149783 is a prime.

6149791 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6149791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6149797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074895 + 3074896.

It is an arithmetic number, because the mean of its divisors is an integer number (3074896).

Almost surely, 26149791 is an apocalyptic number.

6149791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6149791 is an equidigital number, since it uses as much as digits as its factorization.

6149791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 6149791 is about 2479.8772147024. The cubic root of 6149791 is about 183.2118044903.

The spelling of 6149791 in words is "six million, one hundred forty-nine thousand, seven hundred ninety-one".