Search a number
-
+
149791 is a prime number
BaseRepresentation
bin100100100100011111
321121110211
4210210133
514243131
63113251
71162465
oct444437
9247424
10149791
11a25a4
1272827
1353245
143c835
152e5b1
hex2491f

149791 has 2 divisors, whose sum is σ = 149792. Its totient is φ = 149790.

The previous prime is 149771. The next prime is 149803. The reversal of 149791 is 197941.

149791 is nontrivially palindromic in base 12.

149791 is digitally balanced in base 2, 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 149791 - 25 = 149759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74895 + 74896.

It is an arithmetic number, because the mean of its divisors is an integer number (74896).

2149791 is an apocalyptic number.

149791 is a deficient number, since it is larger than the sum of its proper divisors (1).

149791 is an equidigital number, since it uses as much as digits as its factorization.

149791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 149791 is about 387.0284227289. The cubic root of 149791 is about 53.1082396956.

The spelling of 149791 in words is "one hundred forty-nine thousand, seven hundred ninety-one".