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6940853 is a prime number
BaseRepresentation
bin11010011110100010110101
3111001122001122
4122132202311
53234101403
6404433325
7112665503
oct32364265
914048048
106940853
113a10847
1223a8845
13159031a
14cc9673
15921838
hex69e8b5

6940853 has 2 divisors, whose sum is σ = 6940854. Its totient is φ = 6940852.

The previous prime is 6940841. The next prime is 6940873. The reversal of 6940853 is 3580496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5726449 + 1214404 = 2393^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 6940853 - 212 = 6936757 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p472877 and since 6940853 and 472877 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6940823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470426 + 3470427.

It is an arithmetic number, because the mean of its divisors is an integer number (3470427).

Almost surely, 26940853 is an apocalyptic number.

It is an amenable number.

6940853 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940853 is an equidigital number, since it uses as much as digits as its factorization.

6940853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6940853 is about 2634.5498666755. The cubic root of 6940853 is about 190.7528120000.

The spelling of 6940853 in words is "six million, nine hundred forty thousand, eight hundred fifty-three".