Base | Representation |
---|---|
bin | 111011000110… |
… | …0111111111010 |
3 | 2011022021010022 |
4 | 1312030333322 |
5 | 30413024414 |
6 | 3024050442 |
7 | 524243606 |
oct | 166147772 |
9 | 64267108 |
10 | 30986234 |
11 | 16544464 |
12 | a463a22 |
13 | 655bb66 |
14 | 4188506 |
15 | 2ac118e |
hex | 1d8cffa |
30986234 has 8 divisors (see below), whose sum is σ = 46620768. Its totient is φ = 15445980.
The previous prime is 30986213. The next prime is 30986243. The reversal of 30986234 is 43268903.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30986194 and 30986203.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 22742 + ... + 24065.
It is an arithmetic number, because the mean of its divisors is an integer number (5827596).
Almost surely, 230986234 is an apocalyptic number.
30986234 is a deficient number, since it is larger than the sum of its proper divisors (15634534).
30986234 is a wasteful number, since it uses less digits than its factorization.
30986234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47140.
The product of its (nonzero) digits is 31104, while the sum is 35.
The square root of 30986234 is about 5566.5280022650. The cubic root of 30986234 is about 314.0915591652.
The spelling of 30986234 in words is "thirty million, nine hundred eighty-six thousand, two hundred thirty-four".
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