Base | Representation |
---|---|
bin | 111111000000… |
… | …0101100011001 |
3 | 2022011020201220 |
4 | 1332000230121 |
5 | 31424023420 |
6 | 3140002253 |
7 | 550530036 |
oct | 176005431 |
9 | 68136656 |
10 | 33032985 |
11 | 17712197 |
12 | b090389 |
13 | 6ac765b |
14 | 455c38d |
15 | 2d77840 |
hex | 1f80b19 |
33032985 has 16 divisors (see below), whose sum is σ = 53027136. Its totient is φ = 17559488.
The previous prime is 33032983. The next prime is 33032999. The reversal of 33032985 is 58923033.
It is a cyclic number.
It is not a de Polignac number, because 33032985 - 21 = 33032983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (33032983) 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, 1282 + ... + 8228.
It is an arithmetic number, because the mean of its divisors is an integer number (3314196).
Almost surely, 233032985 is an apocalyptic number.
It is an amenable number.
33032985 is a deficient number, since it is larger than the sum of its proper divisors (19994151).
33032985 is a wasteful number, since it uses less digits than its factorization.
33032985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7272.
The product of its (nonzero) digits is 19440, while the sum is 33.
The square root of 33032985 is about 5747.4329052195. The cubic root of 33032985 is about 320.8602666245.
The spelling of 33032985 in words is "thirty-three million, thirty-two thousand, nine hundred eighty-five".
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