Base | Representation |
---|---|
bin | 111111000110… |
… | …1100001000001 |
3 | 2022020220210002 |
4 | 1332031201001 |
5 | 31432214010 |
6 | 3141045345 |
7 | 551136125 |
oct | 176154101 |
9 | 68226702 |
10 | 33085505 |
11 | 177486a2 |
12 | b0b6855 |
13 | 6b1552b |
14 | 4573585 |
15 | 2d881a5 |
hex | 1f8d841 |
33085505 has 8 divisors (see below), whose sum is σ = 39747624. Its totient is φ = 26438400.
The previous prime is 33085499. The next prime is 33085513. The reversal of 33085505 is 50558033.
It is a Cunningham number, because it is equal to 57522+1.
It can be written as a sum of positive squares in 4 ways, for example, as 11916304 + 21169201 = 3452^2 + 4601^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 33085505 - 212 = 33081409 is a prime.
It is a super-2 number, since 2×330855052 = 2189301282210050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865 + ... + 8345.
It is an arithmetic number, because the mean of its divisors is an integer number (4968453).
Almost surely, 233085505 is an apocalyptic number.
It is an amenable number.
33085505 is a deficient number, since it is larger than the sum of its proper divisors (6662119).
33085505 is a wasteful number, since it uses less digits than its factorization.
33085505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7507.
The product of its (nonzero) digits is 9000, while the sum is 29.
The square root of 33085505 is about 5752.0000869263. Note that the first 4 decimals coincide. The cubic root of 33085505 is about 321.0302246039.
The spelling of 33085505 in words is "thirty-three million, eighty-five thousand, five hundred five".
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