Base | Representation |
---|---|
bin | 101010011000… |
… | …1110010011110 |
3 | 1112211002122020 |
4 | 1110301302132 |
5 | 21142132110 |
6 | 2112201010 |
7 | 356621043 |
oct | 124616236 |
9 | 45732566 |
10 | 22224030 |
11 | 115aa274 |
12 | 7539166 |
13 | 47b181a |
14 | 2d471ca |
15 | 1e3ed70 |
hex | 1531c9e |
22224030 has 16 divisors (see below), whose sum is σ = 53337744. Its totient is φ = 5926400.
The previous prime is 22224023. The next prime is 22224031. The reversal of 22224030 is 3042222.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22224031) 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, 370371 + ... + 370430.
It is an arithmetic number, because the mean of its divisors is an integer number (3333609).
Almost surely, 222224030 is an apocalyptic number.
22224030 is an abundant number, since it is smaller than the sum of its proper divisors (31113714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22224030 is a wasteful number, since it uses less digits than its factorization.
22224030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740811.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 22224030 is about 4714.2369477997. The cubic root of 22224030 is about 281.1518452547.
Adding to 22224030 its reverse (3042222), we get a palindrome (25266252).
The spelling of 22224030 in words is "twenty-two million, two hundred twenty-four thousand, thirty".
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