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7868423 is a prime number
BaseRepresentation
bin11110000001000000000111
3112210202110002
4132001000013
54003242143
6440351515
7123611003
oct36010007
915722402
107868423
114494732
12277559b
131826594
14108b703
15a565b8
hex781007

7868423 has 2 divisors, whose sum is σ = 7868424. Its totient is φ = 7868422.

The previous prime is 7868381. The next prime is 7868431. The reversal of 7868423 is 3248687.

7868423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7868423 - 26 = 7868359 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7868453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934211 + 3934212.

It is an arithmetic number, because the mean of its divisors is an integer number (3934212).

Almost surely, 27868423 is an apocalyptic number.

7868423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868423 is an equidigital number, since it uses as much as digits as its factorization.

7868423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 7868423 is about 2805.0709438444. The cubic root of 7868423 is about 198.8974581764.

The spelling of 7868423 in words is "seven million, eight hundred sixty-eight thousand, four hundred twenty-three".