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8890069 is a prime number
BaseRepresentation
bin100001111010…
…011011010101
3121201122212211
4201322123111
54233440234
6514313421
7135364366
oct41723325
917648784
108890069
115022271
122b88871
131ac35c6
141275b6d
15ba9164
hex87a6d5

8890069 has 2 divisors, whose sum is σ = 8890070. Its totient is φ = 8890068.

The previous prime is 8890051. The next prime is 8890073. The reversal of 8890069 is 9600988.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8820900 + 69169 = 2970^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 8890069 - 27 = 8889941 is a prime.

It is a super-2 number, since 2×88900692 = 158066653649522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8890039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4445034 + 4445035.

It is an arithmetic number, because the mean of its divisors is an integer number (4445035).

Almost surely, 28890069 is an apocalyptic number.

It is an amenable number.

8890069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8890069 is an equidigital number, since it uses as much as digits as its factorization.

8890069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 8890069 is about 2981.6218740813. The cubic root of 8890069 is about 207.1580005236.

The spelling of 8890069 in words is "eight million, eight hundred ninety thousand, sixty-nine".