Base | Representation |
---|---|
bin | 111001011011… |
… | …1100100101011 |
3 | 2002122211221212 |
4 | 1302313210223 |
5 | 30202041133 |
6 | 2553223335 |
7 | 513643133 |
oct | 162674453 |
9 | 62584855 |
10 | 30112043 |
11 | 15aa7695 |
12 | a101b4b |
13 | 6313ca0 |
14 | 3ddbac3 |
15 | 299c148 |
hex | 1cb792b |
30112043 has 8 divisors (see below), whose sum is σ = 33305328. Its totient is φ = 27044064.
The previous prime is 30111971. The next prime is 30112051. The reversal of 30112043 is 34021103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30112043 - 28 = 30111787 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30112073) 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, 30821 + ... + 31782.
It is an arithmetic number, because the mean of its divisors is an integer number (4163166).
Almost surely, 230112043 is an apocalyptic number.
30112043 is a deficient number, since it is larger than the sum of its proper divisors (3193285).
30112043 is a wasteful number, since it uses less digits than its factorization.
30112043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62653.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 30112043 is about 5487.4441227223. Note that the first 3 decimals coincide. The cubic root of 30112043 is about 311.1095963031.
Adding to 30112043 its reverse (34021103), we get a palindrome (64133146).
The spelling of 30112043 in words is "thirty million, one hundred twelve thousand, forty-three".
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