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33240041 is a prime number
BaseRepresentation
bin111111011001…
…1001111101001
32022112202202122
41332303033221
532002140131
63144241025
7552351512
oct176631751
968482678
1033240041
111784380a
12b170175
136b6a983
1445b3a09
152db8d7b
hex1fb33e9

33240041 has 2 divisors, whose sum is σ = 33240042. Its totient is φ = 33240040.

The previous prime is 33240019. The next prime is 33240079. The reversal of 33240041 is 14004233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 13169641 = 4480^2 + 3629^2 .

It is an emirp because it is prime and its reverse (14004233) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33240041 is a prime.

It is a super-2 number, since 2×332400412 = 2209800651363362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33240001) 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, 16620020 + 16620021.

It is an arithmetic number, because the mean of its divisors is an integer number (16620021).

Almost surely, 233240041 is an apocalyptic number.

It is an amenable number.

33240041 is a deficient number, since it is larger than the sum of its proper divisors (1).

33240041 is an equidigital number, since it uses as much as digits as its factorization.

33240041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33240041 is about 5765.4176778443. The cubic root of 33240041 is about 321.5292718040.

Adding to 33240041 its reverse (14004233), we get a palindrome (47244274).

The spelling of 33240041 in words is "thirty-three million, two hundred forty thousand, forty-one".