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41282809 is a prime number
BaseRepresentation
bin1001110101111…
…0110011111001
32212200101100221
42131132303321
541032022214
64032500041
71010620021
oct235366371
985611327
1041282809
1121337427
12119aa621
1387256c9
1456a8a81
153956e24
hex275ecf9

41282809 has 2 divisors, whose sum is σ = 41282810. Its totient is φ = 41282808.

The previous prime is 41282797. The next prime is 41282819. The reversal of 41282809 is 90828214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24472809 + 16810000 = 4947^2 + 4100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-41282809 is a prime.

It is not a weakly prime, because it can be changed into another prime (41282819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20641404 + 20641405.

It is an arithmetic number, because the mean of its divisors is an integer number (20641405).

Almost surely, 241282809 is an apocalyptic number.

It is an amenable number.

41282809 is a deficient number, since it is larger than the sum of its proper divisors (1).

41282809 is an equidigital number, since it uses as much as digits as its factorization.

41282809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 41282809 is about 6425.1699588416. The cubic root of 41282809 is about 345.6127429117.

The spelling of 41282809 in words is "forty-one million, two hundred eighty-two thousand, eight hundred nine".