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3282281 is a prime number
BaseRepresentation
bin1100100001010101101001
320011202102222
430201111221
51320013111
6154203425
736620222
oct14412551
96152388
103282281
111942032
121123575
138abca2
14616249
1544c7db
hex321569

3282281 has 2 divisors, whose sum is σ = 3282282. Its totient is φ = 3282280.

The previous prime is 3282211. The next prime is 3282283. The reversal of 3282281 is 1822823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 341056 = 1715^2 + 584^2 .

It is an emirp because it is prime and its reverse (1822823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3282281 is a prime.

It is a super-2 number, since 2×32822812 = 21546737125922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3282283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3282281.

It is not a weakly prime, because it can be changed into another prime (3282283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641140 + 1641141.

It is an arithmetic number, because the mean of its divisors is an integer number (1641141).

Almost surely, 23282281 is an apocalyptic number.

It is an amenable number.

3282281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3282281 is an equidigital number, since it uses as much as digits as its factorization.

3282281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 3282281 is about 1811.7066539592. The cubic root of 3282281 is about 148.6136108300.

The spelling of 3282281 in words is "three million, two hundred eighty-two thousand, two hundred eighty-one".