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8354993 is a prime number
BaseRepresentation
bin11111110111110010110001
3120201110220012
4133313302301
54114324433
6455024305
7131005403
oct37676261
916643805
108354993
114797259
12296b095
131966baa
141176b73
15b00848
hex7f7cb1

8354993 has 2 divisors, whose sum is σ = 8354994. Its totient is φ = 8354992.

The previous prime is 8354989. The next prime is 8354999. The reversal of 8354993 is 3994538.

8354993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5053504 + 3301489 = 2248^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 8354993 - 22 = 8354989 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8354993.

It is not a weakly prime, because it can be changed into another prime (8354999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177496 + 4177497.

It is an arithmetic number, because the mean of its divisors is an integer number (4177497).

Almost surely, 28354993 is an apocalyptic number.

It is an amenable number.

8354993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8354993 is an equidigital number, since it uses as much as digits as its factorization.

8354993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 8354993 is about 2890.5004756962. The cubic root of 8354993 is about 202.9155658470.

The spelling of 8354993 in words is "eight million, three hundred fifty-four thousand, nine hundred ninety-three".