Base | Representation |
---|---|
bin | 111001011101… |
… | …1111110000100 |
3 | 2002200202122212 |
4 | 1302323332010 |
5 | 30203130202 |
6 | 2553442552 |
7 | 514046501 |
oct | 162737604 |
9 | 62622585 |
10 | 30130052 |
11 | 1600a177 |
12 | a110458 |
13 | 631c244 |
14 | 40044a8 |
15 | 29a2652 |
hex | 1cbbf84 |
30130052 has 12 divisors (see below), whose sum is σ = 55829340. Its totient is φ = 14178816.
The previous prime is 30130049. The next prime is 30130063. The reversal of 30130052 is 25003103.
It can be written as a sum of positive squares in 2 ways, for example, as 22600516 + 7529536 = 4754^2 + 2744^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221477 + ... + 221612.
It is an arithmetic number, because the mean of its divisors is an integer number (4652445).
Almost surely, 230130052 is an apocalyptic number.
It is an amenable number.
30130052 is a deficient number, since it is larger than the sum of its proper divisors (25699288).
30130052 is a wasteful number, since it uses less digits than its factorization.
30130052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 443110 (or 443108 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 14.
The square root of 30130052 is about 5489.0848053205. The cubic root of 30130052 is about 311.1716053377.
Adding to 30130052 its reverse (25003103), we get a palindrome (55133155).
The spelling of 30130052 in words is "thirty million, one hundred thirty thousand, fifty-two".
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