Search a number
-
+
11722393 is a prime number
BaseRepresentation
bin101100101101…
…111010011001
3211001120002201
4230231322121
511000104033
61055130201
7201432034
oct54557231
924046081
1011722393
116687231
123b13961
132575837
1417b201b
15106847d
hexb2de99

11722393 has 2 divisors, whose sum is σ = 11722394. Its totient is φ = 11722392.

The previous prime is 11722391. The next prime is 11722397. The reversal of 11722393 is 39322711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 1172889 = 3248^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 11722393 - 21 = 11722391 is a prime.

Together with 11722391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11722391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861196 + 5861197.

It is an arithmetic number, because the mean of its divisors is an integer number (5861197).

Almost surely, 211722393 is an apocalyptic number.

It is an amenable number.

11722393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11722393 is an equidigital number, since it uses as much as digits as its factorization.

11722393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 11722393 is about 3423.7980372680. The cubic root of 11722393 is about 227.1636086266.

The spelling of 11722393 in words is "eleven million, seven hundred twenty-two thousand, three hundred ninety-three".