Search a number
-
+
1068779 is a prime number
BaseRepresentation
bin100000100111011101011
32000022002102
410010323223
5233200104
634524015
712040655
oct4047353
92008072
101068779
1166aa98
1243660b
132b561a
141db6d5
15161a1e
hex104eeb

1068779 has 2 divisors, whose sum is σ = 1068780. Its totient is φ = 1068778.

The previous prime is 1068761. The next prime is 1068803. The reversal of 1068779 is 9778601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1068779 is a prime.

It is a super-2 number, since 2×10687792 = 2284577101682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534389 + 534390.

It is an arithmetic number, because the mean of its divisors is an integer number (534390).

21068779 is an apocalyptic number.

1068779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068779 is an equidigital number, since it uses as much as digits as its factorization.

1068779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1068779 is about 1033.8176821858. The cubic root of 1068779 is about 102.2419923867.

The spelling of 1068779 in words is "one million, sixty-eight thousand, seven hundred seventy-nine".