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2826281 is a prime number
BaseRepresentation
bin1010110010000000101001
312022120221002
422302000221
51210420111
6140324345
733010613
oct12620051
95276832
102826281
111660477
12b436b5
1377c573
14537db3
153ac63b
hex2b2029

2826281 has 2 divisors, whose sum is σ = 2826282. Its totient is φ = 2826280.

The previous prime is 2826211. The next prime is 2826293. The reversal of 2826281 is 1826282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1175056 = 1285^2 + 1084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2826281 is a prime.

It is a super-2 number, since 2×28262812 = 15975728581922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2826211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413140 + 1413141.

It is an arithmetic number, because the mean of its divisors is an integer number (1413141).

22826281 is an apocalyptic number.

It is an amenable number.

2826281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826281 is an equidigital number, since it uses as much as digits as its factorization.

2826281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 2826281 is about 1681.1546627244. The cubic root of 2826281 is about 141.3855784410.

Subtracting from 2826281 its reverse (1826282), we obtain a palindrome (999999).

The spelling of 2826281 in words is "two million, eight hundred twenty-six thousand, two hundred eighty-one".