Base | Representation |
---|---|
bin | 11010011101111… |
… | …00110111011010 |
3 | 120110202221110220 |
4 | 31032330313122 |
5 | 423314220010 |
6 | 34010420510 |
7 | 5334110520 |
oct | 1516746732 |
9 | 513687426 |
10 | 222023130 |
11 | 10436529a |
12 | 62431736 |
13 | 36cc8544 |
14 | 216b6310 |
15 | 14759970 |
hex | d3bcdda |
222023130 has 64 divisors (see below), whose sum is σ = 629994240. Its totient is φ = 48996864.
The previous prime is 222023129. The next prime is 222023141. The reversal of 222023130 is 31320222.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon 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, 12139 + ... + 24318.
It is an arithmetic number, because the mean of its divisors is an integer number (9843660).
Almost surely, 2222023130 is an apocalyptic number.
222023130 is an abundant number, since it is smaller than the sum of its proper divisors (407971110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222023130 is a wasteful number, since it uses less digits than its factorization.
222023130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36503.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 222023130 is about 14900.4405975125. The cubic root of 222023130 is about 605.5259229422.
Adding to 222023130 its reverse (31320222), we get a palindrome (253343352).
The spelling of 222023130 in words is "two hundred twenty-two million, twenty-three thousand, one hundred thirty".
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