Base | Representation |
---|---|
bin | 111010110011… |
… | …0111100010111 |
3 | 2011000100022011 |
4 | 1311212330113 |
5 | 30343032414 |
6 | 3020445051 |
7 | 523024300 |
oct | 165467427 |
9 | 64010264 |
10 | 30830359 |
11 | 1644833a |
12 | a3a9787 |
13 | 6505c21 |
14 | 41477a7 |
15 | 2a8edc4 |
hex | 1d66f17 |
30830359 has 12 divisors (see below), whose sum is σ = 36012600. Its totient is φ = 26316528.
The previous prime is 30830321. The next prime is 30830389. The reversal of 30830359 is 95303803.
It is not a de Polignac number, because 30830359 - 29 = 30829847 is a prime.
It is a super-2 number, since 2×308303592 = 1901022072137762, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30830359.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30830389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12012 + ... + 14350.
It is an arithmetic number, because the mean of its divisors is an integer number (3001050).
Almost surely, 230830359 is an apocalyptic number.
30830359 is a deficient number, since it is larger than the sum of its proper divisors (5182241).
30830359 is a wasteful number, since it uses less digits than its factorization.
30830359 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2622 (or 2615 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 31.
The square root of 30830359 is about 5552.5092525812. The cubic root of 30830359 is about 313.5639985776.
The spelling of 30830359 in words is "thirty million, eight hundred thirty thousand, three hundred fifty-nine".
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