Base | Representation |
---|---|
bin | 111001111000… |
… | …0001010111010 |
3 | 2010002121221220 |
4 | 1303300022322 |
5 | 30232000431 |
6 | 3002212510 |
7 | 515630040 |
oct | 163601272 |
9 | 63077856 |
10 | 30343866 |
11 | 16145883 |
12 | a1b4136 |
13 | 6395667 |
14 | 405c390 |
15 | 29e5b96 |
hex | 1cf02ba |
30343866 has 32 divisors (see below), whose sum is σ = 69525888. Its totient is φ = 8648640.
The previous prime is 30343849. The next prime is 30343867. The reversal of 30343866 is 66834303.
It is not an unprimeable number, because it can be changed into a prime (30343867) 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 15 ways as a sum of consecutive naturals, for example, 27216 + ... + 28308.
It is an arithmetic number, because the mean of its divisors is an integer number (2172684).
Almost surely, 230343866 is an apocalyptic number.
30343866 is an abundant number, since it is smaller than the sum of its proper divisors (39182022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30343866 is a wasteful number, since it uses less digits than its factorization.
30343866 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1766.
The product of its (nonzero) digits is 31104, while the sum is 33.
The square root of 30343866 is about 5508.5266632739. The cubic root of 30343866 is about 311.9059340028.
The spelling of 30343866 in words is "thirty million, three hundred forty-three thousand, eight hundred sixty-six".
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