Base | Representation |
---|---|
bin | 111001010011… |
… | …1000101110010 |
3 | 2002112102100101 |
4 | 1302213011302 |
5 | 30142411110 |
6 | 2551543014 |
7 | 513242245 |
oct | 162470562 |
9 | 62472311 |
10 | 30044530 |
11 | 15a6099a |
12 | a08aa6a |
13 | 62bc339 |
14 | 3dc125c |
15 | 298713a |
hex | 1ca7172 |
30044530 has 32 divisors (see below), whose sum is σ = 55940544. Its totient is φ = 11610816.
The previous prime is 30044527. The next prime is 30044543. The reversal of 30044530 is 3544003.
It is a junction number, because it is equal to n+sod(n) for n = 30044498 and 30044507.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45684 + ... + 46336.
It is an arithmetic number, because the mean of its divisors is an integer number (1748142).
Almost surely, 230044530 is an apocalyptic number.
30044530 is a deficient number, since it is larger than the sum of its proper divisors (25896014).
30044530 is a wasteful number, since it uses less digits than its factorization.
30044530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 810.
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 30044530 is about 5481.2890819587. The cubic root of 30044530 is about 310.8769135509.
Adding to 30044530 its reverse (3544003), we get a palindrome (33588533).
The spelling of 30044530 in words is "thirty million, forty-four thousand, five hundred thirty".
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