Base | Representation |
---|---|
bin | 11010100000000… |
… | …01010011000000 |
3 | 120111022011222011 |
4 | 31100001103000 |
5 | 423402202144 |
6 | 34020422304 |
7 | 5336355640 |
oct | 1520012300 |
9 | 514264864 |
10 | 222303424 |
11 | 104536942 |
12 | 62547994 |
13 | 37095cb5 |
14 | 2174a520 |
15 | 147b2a34 |
hex | d4014c0 |
222303424 has 112 divisors (see below), whose sum is σ = 540959040. Its totient is φ = 88780800.
The previous prime is 222303413. The next prime is 222303427. The reversal of 222303424 is 424303222.
It is a tau number, because it is divible by the number of its divisors (112).
It is a junction number, because it is equal to n+sod(n) for n = 222303395 and 222303404.
It is not an unprimeable number, because it can be changed into a prime (222303427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200974 + ... + 2201074.
Almost surely, 2222303424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270479520).
222303424 is an abundant number, since it is smaller than the sum of its proper divisors (318655616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222303424 is an equidigital number, since it uses as much as digits as its factorization.
222303424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 22.
The square root of 222303424 is about 14909.8431916637. The cubic root of 222303424 is about 605.7806320043.
Adding to 222303424 its reverse (424303222), we get a palindrome (646606646).
The spelling of 222303424 in words is "two hundred twenty-two million, three hundred three thousand, four hundred twenty-four".
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