Base | Representation |
---|---|
bin | 111001011110… |
… | …0000010011101 |
3 | 2002200210001021 |
4 | 1302330002131 |
5 | 30203132313 |
6 | 2553444141 |
7 | 514050352 |
oct | 162740235 |
9 | 62623037 |
10 | 30130333 |
11 | 1600a402 |
12 | a110651 |
13 | 631c3cc |
14 | 4004629 |
15 | 29a278d |
hex | 1cbc09d |
30130333 has 16 divisors (see below), whose sum is σ = 33120000. Its totient is φ = 27300672.
The previous prime is 30130283. The next prime is 30130339. The reversal of 30130333 is 33303103.
It is a cyclic number.
It is not a de Polignac number, because 30130333 - 217 = 29999261 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 (30130339) by changing a digit.
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, 81916 + ... + 82282.
It is an arithmetic number, because the mean of its divisors is an integer number (2070000).
Almost surely, 230130333 is an apocalyptic number.
It is an amenable number.
30130333 is a deficient number, since it is larger than the sum of its proper divisors (2989667).
30130333 is a wasteful number, since it uses less digits than its factorization.
30130333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564.
The product of its (nonzero) digits is 243, while the sum is 16.
The square root of 30130333 is about 5489.1104015132. The cubic root of 30130333 is about 311.1725726880.
Adding to 30130333 its reverse (33303103), we get a palindrome (63433436).
The spelling of 30130333 in words is "thirty million, one hundred thirty thousand, three hundred thirty-three".
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