Base | Representation |
---|---|
bin | 111001101001… |
… | …0011100100000 |
3 | 2002212102221111 |
4 | 1303102130200 |
5 | 30214101422 |
6 | 2555433104 |
7 | 514612054 |
oct | 163223440 |
9 | 62772844 |
10 | 30222112 |
11 | 16072358 |
12 | a155794 |
13 | 635210b |
14 | 4029c64 |
15 | 29bea77 |
hex | 1cd2720 |
30222112 has 24 divisors (see below), whose sum is σ = 59729292. Its totient is φ = 15052800.
The previous prime is 30222109. The next prime is 30222131. The reversal of 30222112 is 21122203.
It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 1449616 = 5364^2 + 1204^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30222092 and 30222101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7312 + ... + 10672.
Almost surely, 230222112 is an apocalyptic number.
30222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30222112 is a deficient number, since it is larger than the sum of its proper divisors (29507180).
30222112 is a wasteful number, since it uses less digits than its factorization.
30222112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3652 (or 3644 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 30222112 is about 5497.4641426752. The cubic root of 30222112 is about 311.4882032175.
Adding to 30222112 its reverse (21122203), we get a palindrome (51344315).
Subtracting from 30222112 its reverse (21122203), we obtain a palindrome (9099909).
The spelling of 30222112 in words is "thirty million, two hundred twenty-two thousand, one hundred twelve".
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