Base | Representation |
---|---|
bin | 111001110011… |
… | …0100100011101 |
3 | 2010000122000102 |
4 | 1303212210131 |
5 | 30224221131 |
6 | 3001310445 |
7 | 515404301 |
oct | 163464435 |
9 | 63018012 |
10 | 30304541 |
11 | 16119283 |
12 | a195425 |
13 | 63807a7 |
14 | 404bd01 |
15 | 29d91cb |
hex | 1ce691d |
30304541 has 4 divisors (see below), whose sum is σ = 30315552. Its totient is φ = 30293532.
The previous prime is 30304529. The next prime is 30304543. The reversal of 30304541 is 14540303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14540303 = 71 ⋅204793.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30304541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30304543) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720 + ... + 8246.
It is an arithmetic number, because the mean of its divisors is an integer number (7578888).
Almost surely, 230304541 is an apocalyptic number.
It is an amenable number.
30304541 is a deficient number, since it is larger than the sum of its proper divisors (11011).
30304541 is an equidigital number, since it uses as much as digits as its factorization.
30304541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11010.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 30304541 is about 5504.9560397881. The cubic root of 30304541 is about 311.7711346185.
Adding to 30304541 its reverse (14540303), we get a palindrome (44844844).
The spelling of 30304541 in words is "thirty million, three hundred four thousand, five hundred forty-one".
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