Base | Representation |
---|---|
bin | 101010000000… |
… | …0101101110110 |
3 | 1112102212220210 |
4 | 1110000231312 |
5 | 21114214110 |
6 | 2104010250 |
7 | 355123041 |
oct | 124005566 |
9 | 45385823 |
10 | 22023030 |
11 | 11482257 |
12 | 7460986 |
13 | 47411a3 |
14 | 2cd3c58 |
15 | 1e00520 |
hex | 1500b76 |
22023030 has 32 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 5848832.
The previous prime is 22023019. The next prime is 22023031. The reversal of 22023030 is 3032022.
It is a junction number, because it is equal to n+sod(n) for n = 22022997 and 22023015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22023031) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 6706 + ... + 9434.
It is an arithmetic number, because the mean of its divisors is an integer number (1658475).
Almost surely, 222023030 is an apocalyptic number.
22023030 is an abundant number, since it is smaller than the sum of its proper divisors (31048170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22023030 is a wasteful number, since it uses less digits than its factorization.
22023030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3008.
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 22023030 is about 4692.8701239220. The cubic root of 22023030 is about 280.3016731587.
Adding to 22023030 its reverse (3032022), we get a palindrome (25055052).
The spelling of 22023030 in words is "twenty-two million, twenty-three thousand, thirty".
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