Base | Representation |
---|---|
bin | 111001011110… |
… | …0001010010010 |
3 | 2002200210201211 |
4 | 1302330022102 |
5 | 30203141314 |
6 | 2553450334 |
7 | 514051666 |
oct | 162741222 |
9 | 62623654 |
10 | 30130834 |
11 | 1600a818 |
12 | a1109aa |
13 | 631c6c6 |
14 | 40048a6 |
15 | 29a29c4 |
hex | 1cbc292 |
30130834 has 16 divisors (see below), whose sum is σ = 47957400. Its totient is φ = 14148864.
The previous prime is 30130829. The next prime is 30130843. The reversal of 30130834 is 43803103.
It can be written as a sum of positive squares in 4 ways, for example, as 28654609 + 1476225 = 5353^2 + 1215^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27652 + ... + 28720.
Almost surely, 230130834 is an apocalyptic number.
30130834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30130834 is a deficient number, since it is larger than the sum of its proper divisors (17826566).
30130834 is a wasteful number, since it uses less digits than its factorization.
30130834 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1917.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 30130834 is about 5489.1560371336. The cubic root of 30130834 is about 311.1742973796.
Adding to 30130834 its reverse (43803103), we get a palindrome (73933937).
The spelling of 30130834 in words is "thirty million, one hundred thirty thousand, eight hundred thirty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •