Base | Representation |
---|---|
bin | 11010011110100… |
… | …00001000001110 |
3 | 120110220221201010 |
4 | 31033100020032 |
5 | 423324231110 |
6 | 34012230050 |
7 | 5334556533 |
oct | 1517201016 |
9 | 513827633 |
10 | 222102030 |
11 | 1044095a7 |
12 | 6246b326 |
13 | 37025427 |
14 | 216d6d8a |
15 | 14773020 |
hex | d3d020e |
222102030 has 64 divisors (see below), whose sum is σ = 561904128. Its totient is φ = 56073600.
The previous prime is 222101977. The next prime is 222102031. The reversal of 222102030 is 30201222.
222102030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 222101997 and 222102015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222102031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68097 + ... + 71283.
It is an arithmetic number, because the mean of its divisors is an integer number (8779752).
Almost surely, 2222102030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222102030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280952064).
222102030 is an abundant number, since it is smaller than the sum of its proper divisors (339802098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222102030 is a wasteful number, since it uses less digits than its factorization.
222102030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3321.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 222102030 is about 14903.0879350556. The cubic root of 222102030 is about 605.5976427026.
Adding to 222102030 its reverse (30201222), we get a palindrome (252303252).
The spelling of 222102030 in words is "two hundred twenty-two million, one hundred two thousand, thirty".
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