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8342407 is a prime number
BaseRepresentation
bin11111110100101110000111
3120200211122001
4133310232013
54113424112
6454450131
7130623613
oct37645607
916624561
108342407
114788857
122963947
131961248
141172343
15aebc57
hex7f4b87

8342407 has 2 divisors, whose sum is σ = 8342408. Its totient is φ = 8342406.

The previous prime is 8342381. The next prime is 8342431. The reversal of 8342407 is 7042438.

8342407 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 a de Polignac number, because none of the positive numbers 2k-8342407 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 (8342437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171203 + 4171204.

It is an arithmetic number, because the mean of its divisors is an integer number (4171204).

Almost surely, 28342407 is an apocalyptic number.

8342407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342407 is an equidigital number, since it uses as much as digits as its factorization.

8342407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8342407 is about 2888.3225235420. The cubic root of 8342407 is about 202.8136236596.

The spelling of 8342407 in words is "eight million, three hundred forty-two thousand, four hundred seven".