Base | Representation |
---|---|
bin | 111110111111… |
… | …0010001000010 |
3 | 2022010202002122 |
4 | 1331332101002 |
5 | 31423214132 |
6 | 3135444242 |
7 | 550456043 |
oct | 175762102 |
9 | 68122078 |
10 | 33023042 |
11 | 17705778 |
12 | b086682 |
13 | 6ac2c80 |
14 | 45588ca |
15 | 2d74912 |
hex | 1f7e442 |
33023042 has 16 divisors (see below), whose sum is σ = 53443320. Its totient is φ = 15213312.
The previous prime is 33023041. The next prime is 33023047. The reversal of 33023042 is 24032033.
It can be written as a sum of positive squares in 4 ways, for example, as 9296401 + 23726641 = 3049^2 + 4871^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 33023042.
It is not an unprimeable number, because it can be changed into a prime (33023041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21434 + ... + 22922.
Almost surely, 233023042 is an apocalyptic number.
33023042 is a deficient number, since it is larger than the sum of its proper divisors (20420278).
33023042 is a wasteful number, since it uses less digits than its factorization.
33023042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2357.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 33023042 is about 5746.5678452447. The cubic root of 33023042 is about 320.8280701822.
Adding to 33023042 its reverse (24032033), we get a palindrome (57055075).
The spelling of 33023042 in words is "thirty-three million, twenty-three thousand, forty-two".
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