Base | Representation |
---|---|
bin | 111111011110… |
… | …1001111011000 |
3 | 2022121211221001 |
4 | 1332331033120 |
5 | 32004442414 |
6 | 3145154344 |
7 | 552612052 |
oct | 176751730 |
9 | 68554831 |
10 | 33280984 |
11 | 17871550 |
12 | b18b9b4 |
13 | 6b834b9 |
14 | 45c48d2 |
15 | 2dc6074 |
hex | 1fbd3d8 |
33280984 has 16 divisors (see below), whose sum is σ = 68074920. Its totient is φ = 15127680.
The previous prime is 33280981. The next prime is 33280987. The reversal of 33280984 is 48908233.
It is an interprime number because it is at equal distance from previous prime (33280981) and next prime (33280987).
It is a super-2 number, since 2×332809842 = 2215247792016512, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33280981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189009 + ... + 189184.
Almost surely, 233280984 is an apocalyptic number.
It is an amenable number.
33280984 is an abundant number, since it is smaller than the sum of its proper divisors (34793936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33280984 is a wasteful number, since it uses less digits than its factorization.
33280984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378210 (or 378206 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 37.
The square root of 33280984 is about 5768.9673252671. The cubic root of 33280984 is about 321.6612308435.
The spelling of 33280984 in words is "thirty-three million, two hundred eighty thousand, nine hundred eighty-four".
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