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8164841 is a prime number
BaseRepresentation
bin11111001001010111101001
3120100211001112
4133021113221
54042233331
6451000105
7126254126
oct37112751
916324045
108164841
114677403
122899035
1318cb489
14112774d
15ab432b
hex7c95e9

8164841 has 2 divisors, whose sum is σ = 8164842. Its totient is φ = 8164840.

The previous prime is 8164817. The next prime is 8164847. The reversal of 8164841 is 1484618.

8164841 = 20202 + 20212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4084441 + 4080400 = 2021^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 8164841 - 210 = 8163817 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8164798 and 8164807.

It is not a weakly prime, because it can be changed into another prime (8164847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082420 + 4082421.

It is an arithmetic number, because the mean of its divisors is an integer number (4082421).

Almost surely, 28164841 is an apocalyptic number.

8164841 is the 2021-st centered square number.

It is an amenable number.

8164841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8164841 is an equidigital number, since it uses as much as digits as its factorization.

8164841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 32.

The square root of 8164841 is about 2857.4185902664. The cubic root of 8164841 is about 201.3643466276.

The spelling of 8164841 in words is "eight million, one hundred sixty-four thousand, eight hundred forty-one".