Search a number
-
+
791993 is a prime number
BaseRepresentation
bin11000001010110111001
31111020102002
43001112321
5200320433
624550345
76506006
oct3012671
91436362
10791993
114a1044
123223b5
13219647
141688ad
151099e8
hexc15b9

791993 has 2 divisors, whose sum is σ = 791994. Its totient is φ = 791992.

The previous prime is 791971. The next prime is 792023. The reversal of 791993 is 399197.

It is a happy number.

791993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 139129 = 808^2 + 373^2 .

It is an emirp because it is prime and its reverse (399197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791993 - 26 = 791929 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (791933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395996 + 395997.

It is an arithmetic number, because the mean of its divisors is an integer number (395997).

2791993 is an apocalyptic number.

It is an amenable number.

791993 is a deficient number, since it is larger than the sum of its proper divisors (1).

791993 is an equidigital number, since it uses as much as digits as its factorization.

791993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309, while the sum is 38.

The square root of 791993 is about 889.9398856103. The cubic root of 791993 is about 92.5210276033.

The spelling of 791993 in words is "seven hundred ninety-one thousand, nine hundred ninety-three".