Base | Representation |
---|---|
bin | 11010001110011… |
… | …10111111100110 |
3 | 120022222011120200 |
4 | 31013032333212 |
5 | 422310001410 |
6 | 33455211330 |
7 | 5310654042 |
oct | 1507167746 |
9 | 508864520 |
10 | 220000230 |
11 | 10320347a |
12 | 61816b46 |
13 | 3676a868 |
14 | 2130b022 |
15 | 144aa3c0 |
hex | d1cefe6 |
220000230 has 48 divisors (see below), whose sum is σ = 605651904. Its totient is φ = 55215360.
The previous prime is 220000201. The next prime is 220000237. The reversal of 220000230 is 32000022.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220000237) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70366 + ... + 73425.
It is an arithmetic number, because the mean of its divisors is an integer number (12617748).
Almost surely, 2220000230 is an apocalyptic number.
220000230 is an abundant number, since it is smaller than the sum of its proper divisors (385651674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220000230 is a wasteful number, since it uses less digits than its factorization.
220000230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143821 (or 143818 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 9.
The square root of 220000230 is about 14832.4047274877. The cubic root of 220000230 is about 603.6812840534.
Adding to 220000230 its reverse (32000022), we get a palindrome (252000252).
The spelling of 220000230 in words is "two hundred twenty million, two hundred thirty", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •