Base | Representation |
---|---|
bin | 111001101011… |
… | …1100100111010 |
3 | 2002220111202221 |
4 | 1303113210322 |
5 | 30220240010 |
6 | 3000114254 |
7 | 515030251 |
oct | 163274472 |
9 | 62814687 |
10 | 30243130 |
11 | 16087125 |
12 | a16598a |
13 | 635b858 |
14 | 4033798 |
15 | 29c5dda |
hex | 1cd793a |
30243130 has 16 divisors (see below), whose sum is σ = 55251360. Its totient is φ = 11916432.
The previous prime is 30243127. The next prime is 30243151. The reversal of 30243130 is 3134203.
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, 21900 + ... + 23239.
It is an arithmetic number, because the mean of its divisors is an integer number (3453210).
Almost surely, 230243130 is an apocalyptic number.
30243130 is a deficient number, since it is larger than the sum of its proper divisors (25008230).
30243130 is a wasteful number, since it uses less digits than its factorization.
30243130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45213.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30243130 is about 5499.3754190817. The cubic root of 30243130 is about 311.5603947525.
Adding to 30243130 its reverse (3134203), we get a palindrome (33377333).
The spelling of 30243130 in words is "thirty million, two hundred forty-three thousand, one hundred thirty".
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