Base | Representation |
---|---|
bin | 11010001111100… |
… | …01100111001110 |
3 | 120100020101002112 |
4 | 31013301213032 |
5 | 422324021110 |
6 | 33502224022 |
7 | 5312114333 |
oct | 1507614716 |
9 | 510211075 |
10 | 220142030 |
11 | 10329aa69 |
12 | 61885012 |
13 | 367ba274 |
14 | 2134698a |
15 | 144d7405 |
hex | d1f19ce |
220142030 has 16 divisors (see below), whose sum is σ = 396588960. Its totient is φ = 87982752.
The previous prime is 220142029. The next prime is 220142033. The reversal of 220142030 is 30241022.
It is a junction number, because it is equal to n+sod(n) for n = 220141996 and 220142014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220142033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4151 + ... + 21389.
It is an arithmetic number, because the mean of its divisors is an integer number (24786810).
Almost surely, 2220142030 is an apocalyptic number.
220142030 is a deficient number, since it is larger than the sum of its proper divisors (176446930).
220142030 is a wasteful number, since it uses less digits than its factorization.
220142030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18523.
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 220142030 is about 14837.1840320190. The cubic root of 220142030 is about 603.8109560712.
Adding to 220142030 its reverse (30241022), we get a palindrome (250383052).
The spelling of 220142030 in words is "two hundred twenty million, one hundred forty-two thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •