Base | Representation |
---|---|
bin | 111001110111… |
… | …1111111100110 |
3 | 2010002120222002 |
4 | 1303233333212 |
5 | 30231440032 |
6 | 3002205302 |
7 | 515624654 |
oct | 163577746 |
9 | 63076862 |
10 | 30343142 |
11 | 16145285 |
12 | a1b3832 |
13 | 639522b |
14 | 405bdd4 |
15 | 29e5862 |
hex | 1ceffe6 |
30343142 has 8 divisors (see below), whose sum is σ = 45624600. Its totient is φ = 15134944.
The previous prime is 30343129. The next prime is 30343207. The reversal of 30343142 is 24134303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17267 + ... + 18942.
It is an arithmetic number, because the mean of its divisors is an integer number (5703075).
Almost surely, 230343142 is an apocalyptic number.
30343142 is a deficient number, since it is larger than the sum of its proper divisors (15281458).
30343142 is a wasteful number, since it uses less digits than its factorization.
30343142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36630.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 30343142 is about 5508.4609465803. The cubic root of 30343142 is about 311.9034533072.
Adding to 30343142 its reverse (24134303), we get a palindrome (54477445).
The spelling of 30343142 in words is "thirty million, three hundred forty-three thousand, one hundred forty-two".
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