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8985289 is a prime number
BaseRepresentation
bin100010010001…
…101011001001
3121220111111111
4202101223021
54300012124
6520330321
7136242115
oct42215311
917814444
108985289
115087865
1230139a1
131b27a51
14129c745
15bc7494
hex891ac9

8985289 has 2 divisors, whose sum is σ = 8985290. Its totient is φ = 8985288.

The previous prime is 8985283. The next prime is 8985293. The reversal of 8985289 is 9825898.

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., 5405625 + 3579664 = 2325^2 + 1892^2 .

It is a cyclic number.

It is not a de Polignac number, because 8985289 - 23 = 8985281 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8985281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492644 + 4492645.

It is an arithmetic number, because the mean of its divisors is an integer number (4492645).

Almost surely, 28985289 is an apocalyptic number.

It is an amenable number.

8985289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8985289 is an equidigital number, since it uses as much as digits as its factorization.

8985289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 49.

The square root of 8985289 is about 2997.5471639325. The cubic root of 8985289 is about 207.8949867467.

The spelling of 8985289 in words is "eight million, nine hundred eighty-five thousand, two hundred eighty-nine".