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BaseRepresentation
bin111111000001…
…1101000010101
32022011212020101
41332003220111
531424420023
63140134101
7550610101
oct176035025
968155211
1033045013
1117720231
12b097331
136accc81
144562901
152d7b1ad
hex1f83a15

33045013 has 2 divisors, whose sum is σ = 33045014. Its totient is φ = 33045012.

The previous prime is 33044993. The next prime is 33045017. The reversal of 33045013 is 31054033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19554084 + 13490929 = 4422^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 33045013 - 213 = 33036821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33045017) 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, 16522506 + 16522507.

It is an arithmetic number, because the mean of its divisors is an integer number (16522507).

Almost surely, 233045013 is an apocalyptic number.

It is an amenable number.

33045013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33045013 is an equidigital number, since it uses as much as digits as its factorization.

33045013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 33045013 is about 5748.4791901859. The cubic root of 33045013 is about 320.8992058743.

Adding to 33045013 its reverse (31054033), we get a palindrome (64099046).

The spelling of 33045013 in words is "thirty-three million, forty-five thousand, thirteen".