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5678423 is a prime number
BaseRepresentation
bin10101101010010101010111
3101200111022222
4111222111113
52423202143
6321412555
766160112
oct25522527
911614288
105678423
113229313
121a9a15b
13123a81a
14a7b579
15772768
hex56a557

5678423 has 2 divisors, whose sum is σ = 5678424. Its totient is φ = 5678422.

The previous prime is 5678419. The next prime is 5678437. The reversal of 5678423 is 3248765.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5678423 - 22 = 5678419 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 58 + 65 + 77 + 86 + 4 + 222 + 33 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5678483) 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, 2839211 + 2839212.

It is an arithmetic number, because the mean of its divisors is an integer number (2839212).

Almost surely, 25678423 is an apocalyptic number.

5678423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5678423 is an equidigital number, since it uses as much as digits as its factorization.

5678423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 5678423 is about 2382.9441873447. The cubic root of 5678423 is about 178.4059141095.

The spelling of 5678423 in words is "five million, six hundred seventy-eight thousand, four hundred twenty-three".