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41033981 is a prime number
BaseRepresentation
bin1001110010001…
…0000011111101
32212012202001002
42130202003331
541001041411
64023300045
71005532412
oct234420375
985182032
1041033981
112118748a
12118aa625
138669381
145642109
15390833b
hex27220fd

41033981 has 2 divisors, whose sum is σ = 41033982. Its totient is φ = 41033980.

The previous prime is 41033963. The next prime is 41033983. The reversal of 41033981 is 18933014.

41033981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 15531481 = 5050^2 + 3941^2 .

It is a cyclic number.

It is not a de Polignac number, because 41033981 - 26 = 41033917 is a prime.

It is a super-2 number, since 2×410339812 = 3367575193416722, which contains 22 as substring.

Together with 41033983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41033983) 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, 20516990 + 20516991.

It is an arithmetic number, because the mean of its divisors is an integer number (20516991).

Almost surely, 241033981 is an apocalyptic number.

It is an amenable number.

41033981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41033981 is an equidigital number, since it uses as much as digits as its factorization.

41033981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 41033981 is about 6405.7771581597. Note that the first 3 decimals coincide. The cubic root of 41033981 is about 344.9169610411.

Adding to 41033981 its reverse (18933014), we get a palindrome (59966995).

The spelling of 41033981 in words is "forty-one million, thirty-three thousand, nine hundred eighty-one".