Base | Representation |
---|---|
bin | 11001000010010… |
… | …10111101010110 |
3 | 112122012020100010 |
4 | 30201022331112 |
5 | 412231202410 |
6 | 32501301050 |
7 | 5130105465 |
oct | 1441127526 |
9 | 478166303 |
10 | 210022230 |
11 | a86088a0 |
12 | 5a404786 |
13 | 34686012 |
14 | 1dc709dc |
15 | 13688c20 |
hex | c84af56 |
210022230 has 64 divisors (see below), whose sum is σ = 551328768. Its totient is φ = 50780160.
The previous prime is 210022229. The next prime is 210022243. The reversal of 210022230 is 32220012.
210022230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189859 + ... + 190961.
It is an arithmetic number, because the mean of its divisors is an integer number (8614512).
Almost surely, 2210022230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210022230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275664384).
210022230 is an abundant number, since it is smaller than the sum of its proper divisors (341306538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210022230 is a wasteful number, since it uses less digits than its factorization.
210022230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1701.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 210022230 is about 14492.1437337614. The cubic root of 210022230 is about 594.4131680895.
Adding to 210022230 its reverse (32220012), we get a palindrome (242242242).
It can be divided in two parts, 21002 and 2230, that added together give a palindrome (23232).
The spelling of 210022230 in words is "two hundred ten million, twenty-two thousand, two hundred thirty".
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