Base | Representation |
---|---|
bin | 11010001110011… |
… | …10111100101010 |
3 | 120022222011022201 |
4 | 31013032330222 |
5 | 422310000132 |
6 | 33455210414 |
7 | 5310653353 |
oct | 1507167452 |
9 | 508864281 |
10 | 220000042 |
11 | 103203319 |
12 | 61816a0a |
13 | 3676a752 |
14 | 2130ad2a |
15 | 144aa2e7 |
hex | d1cef2a |
220000042 has 8 divisors (see below), whose sum is σ = 330069600. Its totient is φ = 109976844.
The previous prime is 220000013. The next prime is 220000051. The reversal of 220000042 is 240000022.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 219999983 and 220000028.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5059 + ... + 21577.
It is an arithmetic number, because the mean of its divisors is an integer number (41258700).
Almost surely, 2220000042 is an apocalyptic number.
220000042 is a deficient number, since it is larger than the sum of its proper divisors (110069558).
220000042 is a wasteful number, since it uses less digits than its factorization.
220000042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23180.
The product of its (nonzero) digits is 32, while the sum is 10.
The square root of 220000042 is about 14832.3983900110. The cubic root of 220000042 is about 603.6811120958.
Adding to 220000042 its reverse (240000022), we get a palindrome (460000064).
The spelling of 220000042 in words is "two hundred twenty million, forty-two", and thus it is an aban number.
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