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8287273 is a prime number
BaseRepresentation
bin11111100111010000101001
3120121001000001
4133213100221
54110143043
6453343001
7130304101
oct37472051
916531001
108287273
114750395
122937a61
131942117
14115a201
15ada74d
hex7e7429

8287273 has 2 divisors, whose sum is σ = 8287274. Its totient is φ = 8287272.

The previous prime is 8287271. The next prime is 8287283. The reversal of 8287273 is 3727828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 3211264 = 2253^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 8287273 - 21 = 8287271 is a prime.

Together with 8287271, it forms a pair of twin primes.

8287273 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8287271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143636 + 4143637.

It is an arithmetic number, because the mean of its divisors is an integer number (4143637).

Almost surely, 28287273 is an apocalyptic number.

It is an amenable number.

8287273 is a deficient number, since it is larger than the sum of its proper divisors (1).

8287273 is an equidigital number, since it uses as much as digits as its factorization.

8287273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 8287273 is about 2878.7624077023. The cubic root of 8287273 is about 202.3658451978.

The spelling of 8287273 in words is "eight million, two hundred eighty-seven thousand, two hundred seventy-three".