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33068145 = 35111711789
BaseRepresentation
bin111111000100…
…1010001110001
32022020000222010
41332021101301
531431140040
63140433133
7551034405
oct176112161
968200863
1033068145
1117736650
12b0a87a9
136b0a666
14456b105
152d82e80
hex1f89471

33068145 has 32 divisors (see below), whose sum is σ = 61119360. Its totient is φ = 15088640.

The previous prime is 33068141. The next prime is 33068153. The reversal of 33068145 is 54186033.

It is not a de Polignac number, because 33068145 - 22 = 33068141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33068141) 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 in 31 ways as a sum of consecutive naturals, for example, 3090 + ... + 8699.

It is an arithmetic number, because the mean of its divisors is an integer number (1909980).

Almost surely, 233068145 is an apocalyptic number.

It is an amenable number.

33068145 is a deficient number, since it is larger than the sum of its proper divisors (28051215).

33068145 is a wasteful number, since it uses less digits than its factorization.

33068145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 33068145 is about 5750.4908486146. The cubic root of 33068145 is about 320.9740664795.

The spelling of 33068145 in words is "thirty-three million, sixty-eight thousand, one hundred forty-five".

Divisors: 1 3 5 11 15 17 33 51 55 85 165 187 255 561 935 2805 11789 35367 58945 129679 176835 200413 389037 601239 648395 1002065 1945185 2204543 3006195 6613629 11022715 33068145