Base | Representation |
---|---|
bin | 111001110101… |
… | …1111000111011 |
3 | 2010001201220110 |
4 | 1303223320323 |
5 | 30230420311 |
6 | 3001555403 |
7 | 515524650 |
oct | 163537073 |
9 | 63051813 |
10 | 30326331 |
11 | 16133692 |
12 | a1a5b63 |
13 | 638a699 |
14 | 4055c27 |
15 | 29e08a6 |
hex | 1cebe3b |
30326331 has 8 divisors (see below), whose sum is σ = 46211584. Its totient is φ = 17329320.
The previous prime is 30326297. The next prime is 30326341. The reversal of 30326331 is 13362303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30326331 - 29 = 30325819 is a prime.
It is a super-2 number, since 2×303263312 = 1839372703843122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1444111 = 30326331 / (3 + 0 + 3 + 2 + 6 + 3 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30326298 and 30326307.
It is not an unprimeable number, because it can be changed into a prime (30326341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722035 + ... + 722076.
It is an arithmetic number, because the mean of its divisors is an integer number (5776448).
Almost surely, 230326331 is an apocalyptic number.
30326331 is a deficient number, since it is larger than the sum of its proper divisors (15885253).
30326331 is a wasteful number, since it uses less digits than its factorization.
30326331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1444121.
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 30326331 is about 5506.9348098557. The cubic root of 30326331 is about 311.8458414138.
Adding to 30326331 its reverse (13362303), we get a palindrome (43688634).
The spelling of 30326331 in words is "thirty million, three hundred twenty-six thousand, three hundred thirty-one".
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