Base | Representation |
---|---|
bin | 11100110110101… |
… | …00010010100100 |
3 | 121212110000020021 |
4 | 32123110102210 |
5 | 443430321040 |
6 | 40003444524 |
7 | 5666215603 |
oct | 1633242244 |
9 | 555400207 |
10 | 242042020 |
11 | 114698830 |
12 | 69086744 |
13 | 3b1b743c |
14 | 24207a3a |
15 | 163b124a |
hex | e6d44a4 |
242042020 has 48 divisors (see below), whose sum is σ = 555565248. Its totient is φ = 87845760.
The previous prime is 242042011. The next prime is 242042071. The reversal of 242042020 is 20240242.
It is a junction number, because it is equal to n+sod(n) for n = 242041985 and 242042003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198934 + ... + 200146.
It is an arithmetic number, because the mean of its divisors is an integer number (11574276).
Almost surely, 2242042020 is an apocalyptic number.
242042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
242042020 is an abundant number, since it is smaller than the sum of its proper divisors (313523228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
242042020 is a wasteful number, since it uses less digits than its factorization.
242042020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2140 (or 2138 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 16.
The square root of 242042020 is about 15557.6997014340. The cubic root of 242042020 is about 623.2040345563.
Adding to 242042020 its reverse (20240242), we get a palindrome (262282262).
The spelling of 242042020 in words is "two hundred forty-two million, forty-two thousand, twenty".
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