Base | Representation |
---|---|
bin | 111001110101… |
… | …1000110111101 |
3 | 2010001120112000 |
4 | 1303223012331 |
5 | 30230320013 |
6 | 3001532513 |
7 | 515512431 |
oct | 163530675 |
9 | 63046460 |
10 | 30323133 |
11 | 16131245 |
12 | a1a4139 |
13 | 63890a9 |
14 | 40549c1 |
15 | 29de973 |
hex | 1ceb1bd |
30323133 has 8 divisors (see below), whose sum is σ = 44923200. Its totient is φ = 20215404.
The previous prime is 30323119. The next prime is 30323141. The reversal of 30323133 is 33132303.
It is not a de Polignac number, because 30323133 - 210 = 30322109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30323113) 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, 561513 + ... + 561566.
It is an arithmetic number, because the mean of its divisors is an integer number (5615400).
Almost surely, 230323133 is an apocalyptic number.
It is an amenable number.
30323133 is a deficient number, since it is larger than the sum of its proper divisors (14600067).
30323133 is a wasteful number, since it uses less digits than its factorization.
30323133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123088 (or 1123082 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
The square root of 30323133 is about 5506.6444410367. The cubic root of 30323133 is about 311.8348793441.
Adding to 30323133 its reverse (33132303), we get a palindrome (63455436).
It can be divided in two parts, 303 and 23133, that added together give a triangular number (23436 = T216).
The spelling of 30323133 in words is "thirty million, three hundred twenty-three thousand, one hundred thirty-three".
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