Base | Representation |
---|---|
bin | 111010110011… |
… | …1110110011011 |
3 | 2011000112101210 |
4 | 1311213312123 |
5 | 30343142300 |
6 | 3020514203 |
7 | 523041156 |
oct | 165476633 |
9 | 64015353 |
10 | 30834075 |
11 | 16450108 |
12 | a3ab963 |
13 | 650781c |
14 | 4148c9d |
15 | 2a91050 |
hex | 1d67d9b |
30834075 has 24 divisors (see below), whose sum is σ = 51947568. Its totient is φ = 16132480.
The previous prime is 30834059. The next prime is 30834077. The reversal of 30834075 is 57043803.
It is not a de Polignac number, because 30834075 - 24 = 30834059 is a prime.
It is a super-2 number, since 2×308340752 = 1901480362211250, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30834077) 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 23 ways as a sum of consecutive naturals, for example, 97 + ... + 7853.
It is an arithmetic number, because the mean of its divisors is an integer number (2164482).
Almost surely, 230834075 is an apocalyptic number.
30834075 is a deficient number, since it is larger than the sum of its proper divisors (21113493).
30834075 is a wasteful number, since it uses less digits than its factorization.
30834075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7823 (or 7818 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 30834075 is about 5552.8438659843. The cubic root of 30834075 is about 313.5765960848.
Adding to 30834075 its reverse (57043803), we get a palindrome (87877878).
The spelling of 30834075 in words is "thirty million, eight hundred thirty-four thousand, seventy-five".
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