Base | Representation |
---|---|
bin | 111111000110… |
… | …1001001110101 |
3 | 2022020211202010 |
4 | 1332031021311 |
5 | 31432142041 |
6 | 3141034433 |
7 | 551131605 |
oct | 176151165 |
9 | 68224663 |
10 | 33084021 |
11 | 17747573 |
12 | b0b5a19 |
13 | 6b14959 |
14 | 4572c05 |
15 | 2d87a16 |
hex | 1f8d275 |
33084021 has 16 divisors (see below), whose sum is σ = 45050688. Its totient is φ = 21590400.
The previous prime is 33084019. The next prime is 33084043. The reversal of 33084021 is 12048033.
It is a happy number.
It is not a de Polignac number, because 33084021 - 21 = 33084019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33084221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63241 + ... + 63761.
It is an arithmetic number, because the mean of its divisors is an integer number (2815668).
Almost surely, 233084021 is an apocalyptic number.
It is an amenable number.
33084021 is a deficient number, since it is larger than the sum of its proper divisors (11966667).
33084021 is a wasteful number, since it uses less digits than its factorization.
33084021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 932.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 33084021 is about 5751.8710868725. The cubic root of 33084021 is about 321.0254247581.
The spelling of 33084021 in words is "thirty-three million, eighty-four thousand, twenty-one".
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