Search a number
-
+
6868843 is a prime number
BaseRepresentation
bin11010001100111101101011
3110220222021121
4122030331223
53224300333
6403120111
7112245532
oct32147553
913828247
106868843
113971733
122373037
131566607
14cab319
1590a32d
hex68cf6b

6868843 has 2 divisors, whose sum is σ = 6868844. Its totient is φ = 6868842.

The previous prime is 6868837. The next prime is 6868859. The reversal of 6868843 is 3488686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6868843 - 25 = 6868811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6868843.

It is not a weakly prime, because it can be changed into another prime (6868243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434421 + 3434422.

It is an arithmetic number, because the mean of its divisors is an integer number (3434422).

Almost surely, 26868843 is an apocalyptic number.

6868843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6868843 is an equidigital number, since it uses as much as digits as its factorization.

6868843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 6868843 is about 2620.8477636063. The cubic root of 6868843 is about 190.0908429857.

The spelling of 6868843 in words is "six million, eight hundred sixty-eight thousand, eight hundred forty-three".