Base | Representation |
---|---|
bin | 111010110100… |
… | …0111001000110 |
3 | 2011000202020211 |
4 | 1311220321012 |
5 | 30343311332 |
6 | 3020550034 |
7 | 523056463 |
oct | 165507106 |
9 | 64022224 |
10 | 30838342 |
11 | 16453337 |
12 | a3b231a |
13 | 6509752 |
14 | 414a66a |
15 | 2a92447 |
hex | 1d68e46 |
30838342 has 8 divisors (see below), whose sum is σ = 46339416. Its totient is φ = 15391872.
The previous prime is 30838307. The next prime is 30838343. The reversal of 30838342 is 24383803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30838343) 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 3 ways as a sum of consecutive naturals, for example, 12208 + ... + 14515.
It is an arithmetic number, because the mean of its divisors is an integer number (5792427).
Almost surely, 230838342 is an apocalyptic number.
30838342 is a deficient number, since it is larger than the sum of its proper divisors (15501074).
30838342 is a wasteful number, since it uses less digits than its factorization.
30838342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27302.
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 30838342 is about 5553.2280702309. The cubic root of 30838342 is about 313.5910602733.
The spelling of 30838342 in words is "thirty million, eight hundred thirty-eight thousand, three hundred forty-two".
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