Search a number
-
+
15342193 is a prime number
BaseRepresentation
bin111010100001…
…101001110001
31001212110112101
4322201221301
512411422233
61304500401
7244256266
oct72415161
931773471
1015342193
1187298a9
12517a701
133242329
14207526d
151530c7d
hexea1a71

15342193 has 2 divisors, whose sum is σ = 15342194. Its totient is φ = 15342192.

The previous prime is 15342167. The next prime is 15342209. The reversal of 15342193 is 39124351.

15342193 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 can be written as a sum of positive squares in only one way, i.e., 11209104 + 4133089 = 3348^2 + 2033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15342193 is a prime.

It is not a weakly prime, because it can be changed into another prime (15342113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671096 + 7671097.

It is an arithmetic number, because the mean of its divisors is an integer number (7671097).

Almost surely, 215342193 is an apocalyptic number.

It is an amenable number.

15342193 is a deficient number, since it is larger than the sum of its proper divisors (1).

15342193 is an equidigital number, since it uses as much as digits as its factorization.

15342193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 15342193 is about 3916.9111554897. The cubic root of 15342193 is about 248.4825034542.

The spelling of 15342193 in words is "fifteen million, three hundred forty-two thousand, one hundred ninety-three".