Base | Representation |
---|---|
bin | 11010011101111… |
… | …10100101010000 |
3 | 120110210022010021 |
4 | 31032332211100 |
5 | 423314431120 |
6 | 34010513224 |
7 | 5334140152 |
oct | 1516764520 |
9 | 513708107 |
10 | 222030160 |
11 | 10436a600 |
12 | 62435814 |
13 | 36ccb7c1 |
14 | 216b8ad2 |
15 | 1475baaa |
hex | d3be950 |
222030160 has 60 divisors (see below), whose sum is σ = 567440244. Its totient is φ = 80734720.
The previous prime is 222030131. The next prime is 222030203. The reversal of 222030160 is 61030222.
It can be written as a sum of positive squares in 2 ways, for example, as 66977856 + 155052304 = 8184^2 + 12452^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1789 + ... + 21148.
Almost surely, 2222030160 is an apocalyptic number.
222030160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 222030160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283720122).
222030160 is an abundant number, since it is smaller than the sum of its proper divisors (345410084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222030160 is a wasteful number, since it uses less digits than its factorization.
222030160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22972 (or 22955 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 222030160 is about 14900.6764947099. The cubic root of 222030160 is about 605.5323138714.
Adding to 222030160 its reverse (61030222), we get a palindrome (283060382).
The spelling of 222030160 in words is "two hundred twenty-two million, thirty thousand, one hundred sixty".
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