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8993249 is a prime number
BaseRepresentation
bin100010010011…
…100111100001
3121220220102022
4202103213201
54300240444
6520431225
7136304246
oct42234741
917826368
108993249
115092841
123018515
131b2b565
1412a15cd
15bc99ee
hex8939e1

8993249 has 2 divisors, whose sum is σ = 8993250. Its totient is φ = 8993248.

The previous prime is 8993233. The next prime is 8993261. The reversal of 8993249 is 9423998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 2155024 = 2615^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 8993249 - 24 = 8993233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8993269) 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, 4496624 + 4496625.

It is an arithmetic number, because the mean of its divisors is an integer number (4496625).

Almost surely, 28993249 is an apocalyptic number.

It is an amenable number.

8993249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8993249 is an equidigital number, since it uses as much as digits as its factorization.

8993249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 8993249 is about 2998.8746222542. The cubic root of 8993249 is about 207.9563594958.

The spelling of 8993249 in words is "eight million, nine hundred ninety-three thousand, two hundred forty-nine".