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8986213 is a prime number
BaseRepresentation
bin100010010001…
…111001100101
3121220112202201
4202101321211
54300024323
6520334501
7136244605
oct42217145
917815681
108986213
115088525
123014431
131b282b2
14129cc05
15bc78ad
hex891e65

8986213 has 2 divisors, whose sum is σ = 8986214. Its totient is φ = 8986212.

The previous prime is 8986199. The next prime is 8986223. The reversal of 8986213 is 3126898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5230369 + 3755844 = 2287^2 + 1938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8986213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8986223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493106 + 4493107.

It is an arithmetic number, because the mean of its divisors is an integer number (4493107).

Almost surely, 28986213 is an apocalyptic number.

It is an amenable number.

8986213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8986213 is an equidigital number, since it uses as much as digits as its factorization.

8986213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 8986213 is about 2997.7012859856. The cubic root of 8986213 is about 207.9021127791.

The spelling of 8986213 in words is "eight million, nine hundred eighty-six thousand, two hundred thirteen".