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8216057 is a prime number
BaseRepresentation
bin11111010101110111111001
3120110102022102
4133111313321
54100403212
6452033145
7126556343
oct37256771
916412272
108216057
114701933
1229027b5
131918895
14113c293
15ac45c2
hex7d5df9

8216057 has 2 divisors, whose sum is σ = 8216058. Its totient is φ = 8216056.

The previous prime is 8216017. The next prime is 8216063. The reversal of 8216057 is 7506128.

8216057 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 can be written as a sum of positive squares in only one way, i.e., 7974976 + 241081 = 2824^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 8216057 - 26 = 8215993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8216017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108028 + 4108029.

It is an arithmetic number, because the mean of its divisors is an integer number (4108029).

Almost surely, 28216057 is an apocalyptic number.

It is an amenable number.

8216057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8216057 is an equidigital number, since it uses as much as digits as its factorization.

8216057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 8216057 is about 2866.3665152942. The cubic root of 8216057 is about 201.7845053476.

The spelling of 8216057 in words is "eight million, two hundred sixteen thousand, fifty-seven".