Base | Representation |
---|---|
bin | 111110111101… |
… | …0001001000001 |
3 | 2022002212220211 |
4 | 1331322021001 |
5 | 31422144040 |
6 | 3135234121 |
7 | 550355554 |
oct | 175721101 |
9 | 68085824 |
10 | 33006145 |
11 | 176a4007 |
12 | b078941 |
13 | 6ab8383 |
14 | 455269b |
15 | 2d6e8ea |
hex | 1f7a241 |
33006145 has 8 divisors (see below), whose sum is σ = 39717504. Its totient is φ = 26331504.
The previous prime is 33006091. The next prime is 33006179. The reversal of 33006145 is 54160033.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 33006145 - 29 = 33005633 is a prime.
It is a super-2 number, since 2×330061452 = 2178811215522050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7159 + ... + 10828.
It is an arithmetic number, because the mean of its divisors is an integer number (4964688).
Almost surely, 233006145 is an apocalyptic number.
It is an amenable number.
33006145 is a deficient number, since it is larger than the sum of its proper divisors (6711359).
33006145 is a wasteful number, since it uses less digits than its factorization.
33006145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18359.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 33006145 is about 5745.0974752392. The cubic root of 33006145 is about 320.7733411563.
Adding to 33006145 its reverse (54160033), we get a palindrome (87166178).
The spelling of 33006145 in words is "thirty-three million, six thousand, one hundred forty-five".
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