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6942197 is a prime number
BaseRepresentation
bin11010011110110111110101
3111001200220102
4122132313311
53234122242
6404443445
7113002433
oct32366765
914050812
106942197
113a11859
1223a9585
131590b12
14cc9d53
15921e32
hex69edf5

6942197 has 2 divisors, whose sum is σ = 6942198. Its totient is φ = 6942196.

The previous prime is 6942179. The next prime is 6942209. The reversal of 6942197 is 7912496.

Together with previous prime (6942179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 586756 = 2521^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 6942197 - 28 = 6941941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6942197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6942497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471098 + 3471099.

It is an arithmetic number, because the mean of its divisors is an integer number (3471099).

Almost surely, 26942197 is an apocalyptic number.

It is an amenable number.

6942197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942197 is an equidigital number, since it uses as much as digits as its factorization.

6942197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 6942197 is about 2634.8049263655. The cubic root of 6942197 is about 190.7651234182.

Subtracting 6942197 from its reverse (7912496), we obtain a cube (970299 = 993).

The spelling of 6942197 in words is "six million, nine hundred forty-two thousand, one hundred ninety-seven".