Base | Representation |
---|---|
bin | 1001000110100011… |
… | …1010001000111100 |
3 | 20022021201121102012 |
4 | 2101220322020330 |
5 | 20001003421340 |
6 | 1042242550352 |
7 | 114356505053 |
oct | 22150721074 |
9 | 6267647365 |
10 | 2443420220 |
11 | 104427985a |
12 | 5823683b8 |
13 | 2cc2ac1a7 |
14 | 19272339a |
15 | e47a1565 |
hex | 91a3a23c |
2443420220 has 12 divisors (see below), whose sum is σ = 5131182504. Its totient is φ = 977368080.
The previous prime is 2443420219. The next prime is 2443420223. The reversal of 2443420220 is 220243442.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2443420223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61085486 + ... + 61085525.
It is an arithmetic number, because the mean of its divisors is an integer number (427598542).
Almost surely, 22443420220 is an apocalyptic number.
2443420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2443420220 is an abundant number, since it is smaller than the sum of its proper divisors (2687762284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2443420220 is a wasteful number, since it uses less digits than its factorization.
2443420220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122171020 (or 122171018 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 23.
The square root of 2443420220 is about 49430.9641823827. The cubic root of 2443420220 is about 1346.8918380081.
Adding to 2443420220 its reverse (220243442), we get a palindrome (2663663662).
The spelling of 2443420220 in words is "two billion, four hundred forty-three million, four hundred twenty thousand, two hundred twenty".
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