Base | Representation |
---|---|
bin | 111001011110… |
… | …0011111111110 |
3 | 2002200212122020 |
4 | 1302330133332 |
5 | 30203212342 |
6 | 2553501010 |
7 | 514056021 |
oct | 162743776 |
9 | 62625566 |
10 | 30132222 |
11 | 1601086a |
12 | a111766 |
13 | 6320223 |
14 | 40051b8 |
15 | 29a30ec |
hex | 1cbc7fe |
30132222 has 16 divisors (see below), whose sum is σ = 60502032. Its totient is φ = 10004480.
The previous prime is 30132209. The next prime is 30132251. The reversal of 30132222 is 22223103.
It is a congruent number.
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, 8229 + ... + 11312.
It is an arithmetic number, because the mean of its divisors is an integer number (3781377).
Almost surely, 230132222 is an apocalyptic number.
30132222 is an abundant number, since it is smaller than the sum of its proper divisors (30369810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30132222 is a wasteful number, since it uses less digits than its factorization.
30132222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19803.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30132222 is about 5489.2824667710. The cubic root of 30132222 is about 311.1790754672.
Adding to 30132222 its reverse (22223103), we get a palindrome (52355325).
It can be divided in two parts, 301 and 32222, that added together give a palindrome (32523).
The spelling of 30132222 in words is "thirty million, one hundred thirty-two thousand, two hundred twenty-two".
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