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8045249 is a prime number
BaseRepresentation
bin11110101100001011000001
3120010202000012
4132230023001
54024421444
6444234305
7125245352
oct36541301
916122005
108045249
1145a5573
12283b995
131888c04
1410d5d29
15a8db9e
hex7ac2c1

8045249 has 2 divisors, whose sum is σ = 8045250. Its totient is φ = 8045248.

The previous prime is 8045221. The next prime is 8045287. The reversal of 8045249 is 9425408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 2380849 = 2380^2 + 1543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8045249 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8041249) 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, 4022624 + 4022625.

It is an arithmetic number, because the mean of its divisors is an integer number (4022625).

Almost surely, 28045249 is an apocalyptic number.

It is an amenable number.

8045249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045249 is an equidigital number, since it uses as much as digits as its factorization.

8045249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 8045249 is about 2836.4148145150. The cubic root of 8045249 is about 200.3763662978.

The spelling of 8045249 in words is "eight million, forty-five thousand, two hundred forty-nine".