Base | Representation |
---|---|
bin | 111001101001… |
… | …0011100110010 |
3 | 2002212102222011 |
4 | 1303102130302 |
5 | 30214102010 |
6 | 2555433134 |
7 | 514612111 |
oct | 163223462 |
9 | 62772864 |
10 | 30222130 |
11 | 16072374 |
12 | a1557aa |
13 | 6352123 |
14 | 4029c78 |
15 | 29bea8a |
hex | 1cd2732 |
30222130 has 16 divisors (see below), whose sum is σ = 54676800. Its totient is φ = 12027312.
The previous prime is 30222109. The next prime is 30222131. The reversal of 30222130 is 3122203.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30222130.
It is not an unprimeable number, because it can be changed into a prime (30222131) 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 7 ways as a sum of consecutive naturals, for example, 5604 + ... + 9583.
It is an arithmetic number, because the mean of its divisors is an integer number (3417300).
Almost surely, 230222130 is an apocalyptic number.
30222130 is a deficient number, since it is larger than the sum of its proper divisors (24454670).
30222130 is a wasteful number, since it uses less digits than its factorization.
30222130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15393.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30222130 is about 5497.4657797934. The cubic root of 30222130 is about 311.4882650573.
Adding to 30222130 its reverse (3122203), we get a palindrome (33344333).
The spelling of 30222130 in words is "thirty million, two hundred twenty-two thousand, one hundred thirty".
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