Base | Representation |
---|---|
bin | 111110111111… |
… | …0010010101001 |
3 | 2022010202020110 |
4 | 1331332102221 |
5 | 31423220040 |
6 | 3135444533 |
7 | 550456251 |
oct | 175762251 |
9 | 68122213 |
10 | 33023145 |
11 | 17705861 |
12 | b086749 |
13 | 6ac302c |
14 | 4558961 |
15 | 2d74980 |
hex | 1f7e4a9 |
33023145 has 8 divisors (see below), whose sum is σ = 52837056. Its totient is φ = 17612336.
The previous prime is 33023119. The next prime is 33023171. The reversal of 33023145 is 54132033.
It is an interprime number because it is at equal distance from previous prime (33023119) and next prime (33023171).
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 33023145 - 25 = 33023113 is a prime.
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, 1100757 + ... + 1100786.
It is an arithmetic number, because the mean of its divisors is an integer number (6604632).
Almost surely, 233023145 is an apocalyptic number.
It is an amenable number.
33023145 is a deficient number, since it is larger than the sum of its proper divisors (19813911).
33023145 is a wasteful number, since it uses less digits than its factorization.
33023145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2201551.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 33023145 is about 5746.5768071087. The cubic root of 33023145 is about 320.8284037398.
Adding to 33023145 its reverse (54132033), we get a palindrome (87155178).
The spelling of 33023145 in words is "thirty-three million, twenty-three thousand, one hundred forty-five".
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