Search a number
-
+
2015393 is a prime number
BaseRepresentation
bin111101100000010100001
310210101121012
413230002201
51003443033
6111110305
723062532
oct7540241
93711535
102015393
111157216
12812395
13557453
143a6689
1529c248
hex1ec0a1

2015393 has 2 divisors, whose sum is σ = 2015394. Its totient is φ = 2015392.

The previous prime is 2015371. The next prime is 2015411. The reversal of 2015393 is 3935102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 187489 = 1352^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015393 - 218 = 1753249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2015303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007696 + 1007697.

It is an arithmetic number, because the mean of its divisors is an integer number (1007697).

22015393 is an apocalyptic number.

It is an amenable number.

2015393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015393 is an equidigital number, since it uses as much as digits as its factorization.

2015393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 2015393 is about 1419.6453782547. The cubic root of 2015393 is about 126.3145120089.

The spelling of 2015393 in words is "two million, fifteen thousand, three hundred ninety-three".