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8227393 is a prime number
BaseRepresentation
bin11111011000101001000001
3120110222212021
4133120221001
54101234033
6452201441
7126634366
oct37305101
916428767
108227393
11470a3a9
122909281
131920aa5
14114246d
15ac7b2d
hex7d8a41

8227393 has 2 divisors, whose sum is σ = 8227394. Its totient is φ = 8227392.

The previous prime is 8227391. The next prime is 8227403. The reversal of 8227393 is 3937228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7969329 + 258064 = 2823^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 8227393 - 21 = 8227391 is a prime.

Together with 8227391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8227391) 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, 4113696 + 4113697.

It is an arithmetic number, because the mean of its divisors is an integer number (4113697).

Almost surely, 28227393 is an apocalyptic number.

It is an amenable number.

8227393 is a deficient number, since it is larger than the sum of its proper divisors (1).

8227393 is an equidigital number, since it uses as much as digits as its factorization.

8227393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 8227393 is about 2868.3432500313. The cubic root of 8227393 is about 201.8772658993.

The spelling of 8227393 in words is "eight million, two hundred twenty-seven thousand, three hundred ninety-three".