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33068009 = 1317149629
BaseRepresentation
bin111111000100…
…1001111101001
32022020000210002
41332021033221
531431134014
63140432345
7551034122
oct176111751
968200702
1033068009
1117736537
12b0a86b5
136b0a590
14456b049
152d82dde
hex1f893e9

33068009 has 8 divisors (see below), whose sum is σ = 37706760. Its totient is φ = 28728576.

The previous prime is 33068003. The next prime is 33068011. The reversal of 33068009 is 90086033.

It can be written as a sum of positive squares in 4 ways, for example, as 40000 + 33028009 = 200^2 + 5747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33068009 - 220 = 32019433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33068003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74594 + ... + 75035.

It is an arithmetic number, because the mean of its divisors is an integer number (4713345).

Almost surely, 233068009 is an apocalyptic number.

It is an amenable number.

33068009 is a deficient number, since it is larger than the sum of its proper divisors (4638751).

33068009 is a wasteful number, since it uses less digits than its factorization.

33068009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149659.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 33068009 is about 5750.4790235249. The cubic root of 33068009 is about 320.9736264535.

The spelling of 33068009 in words is "thirty-three million, sixty-eight thousand, nine".

Divisors: 1 13 17 221 149629 1945177 2543693 33068009