Search a number
-
+
2415191 is a prime number
BaseRepresentation
bin1001001101101001010111
311112201000112
421031221113
51104241231
6123433235
726346242
oct11155127
94481015
102415191
1113aa629
1298581b
1366740c
1446c259
1532a92b
hex24da57

2415191 has 2 divisors, whose sum is σ = 2415192. Its totient is φ = 2415190.

The previous prime is 2415167. The next prime is 2415197. The reversal of 2415191 is 1915142.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2415191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2415197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207595 + 1207596.

It is an arithmetic number, because the mean of its divisors is an integer number (1207596).

22415191 is an apocalyptic number.

2415191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415191 is an equidigital number, since it uses as much as digits as its factorization.

2415191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 2415191 is about 1554.0884788197. The cubic root of 2415191 is about 134.1684782150.

It can be divided in two parts, 24151 and 91, that added together give a palindrome (24242).

The spelling of 2415191 in words is "two million, four hundred fifteen thousand, one hundred ninety-one".