Base | Representation |
---|---|
bin | 111010111011… |
… | …0100110110010 |
3 | 2011010121022021 |
4 | 1311312212302 |
5 | 30402111024 |
6 | 3022102054 |
7 | 523412320 |
oct | 165664662 |
9 | 64117267 |
10 | 30894514 |
11 | 16491562 |
12 | a41a92a |
13 | 65291a1 |
14 | 4162d10 |
15 | 2aa3de4 |
hex | 1d769b2 |
30894514 has 16 divisors (see below), whose sum is σ = 53709696. Its totient is φ = 13053600.
The previous prime is 30894469. The next prime is 30894517. The reversal of 30894514 is 41549803.
It is a self number, because there is not a number n which added to its sum of digits gives 30894514.
It is not an unprimeable number, because it can be changed into a prime (30894517) 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, 14547 + ... + 16534.
It is an arithmetic number, because the mean of its divisors is an integer number (3356856).
Almost surely, 230894514 is an apocalyptic number.
30894514 is a deficient number, since it is larger than the sum of its proper divisors (22815182).
30894514 is a wasteful number, since it uses less digits than its factorization.
30894514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31161.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 30894514 is about 5558.2833680913. The cubic root of 30894514 is about 313.7813466879.
The spelling of 30894514 in words is "thirty million, eight hundred ninety-four thousand, five hundred fourteen".
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