Base | Representation |
---|---|
bin | 111110111111… |
… | …1011111000110 |
3 | 2022010222221200 |
4 | 1331333133012 |
5 | 31423344123 |
6 | 3135523330 |
7 | 550506441 |
oct | 175773706 |
9 | 68128850 |
10 | 33028038 |
11 | 177094aa |
12 | b089546 |
13 | 6ac5324 |
14 | 455a658 |
15 | 2d76143 |
hex | 1f7f7c6 |
33028038 has 24 divisors (see below), whose sum is σ = 72006168. Its totient is φ = 10940832.
The previous prime is 33028033. The next prime is 33028049. The reversal of 33028038 is 83082033.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33028033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2695 + ... + 8562.
It is an arithmetic number, because the mean of its divisors is an integer number (3000257).
Almost surely, 233028038 is an apocalyptic number.
33028038 is an abundant number, since it is smaller than the sum of its proper divisors (38978130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33028038 is a wasteful number, since it uses less digits than its factorization.
33028038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11428 (or 11425 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 33028038 is about 5747.0025230550. The cubic root of 33028038 is about 320.8442485445.
The spelling of 33028038 in words is "thirty-three million, twenty-eight thousand, thirty-eight".
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