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41808841 is a prime number
BaseRepresentation
bin1001111101111…
…1001111001001
32220200002221121
42133133033021
541200340331
64052035241
71015240444
oct237371711
986602847
1041808841
1121666668
1212002b21
13887ac79
1457a465b
153a0cc11
hex27df3c9

41808841 has 2 divisors, whose sum is σ = 41808842. Its totient is φ = 41808840.

The previous prime is 41808839. The next prime is 41808881. The reversal of 41808841 is 14880814.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 335241 = 6440^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 41808841 - 21 = 41808839 is a prime.

Together with 41808839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 41808797 and 41808806.

It is not a weakly prime, because it can be changed into another prime (41808881) 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, 20904420 + 20904421.

It is an arithmetic number, because the mean of its divisors is an integer number (20904421).

Almost surely, 241808841 is an apocalyptic number.

It is an amenable number.

41808841 is a deficient number, since it is larger than the sum of its proper divisors (1).

41808841 is an equidigital number, since it uses as much as digits as its factorization.

41808841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 41808841 is about 6465.9756417729. The cubic root of 41808841 is about 347.0745022422.

The spelling of 41808841 in words is "forty-one million, eight hundred eight thousand, eight hundred forty-one".