Base | Representation |
---|---|
bin | 111111000100… |
… | …1010001110001 |
3 | 2022020000222010 |
4 | 1332021101301 |
5 | 31431140040 |
6 | 3140433133 |
7 | 551034405 |
oct | 176112161 |
9 | 68200863 |
10 | 33068145 |
11 | 17736650 |
12 | b0a87a9 |
13 | 6b0a666 |
14 | 456b105 |
15 | 2d82e80 |
hex | 1f89471 |
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".
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