Base | Representation |
---|---|
bin | 11010011010011… |
… | …101011101010100 |
3 | 1010212212001022111 |
4 | 122122131131110 |
5 | 1401421102040 |
6 | 111550040404 |
7 | 13660443034 |
oct | 3232353524 |
9 | 1125761274 |
10 | 443144020 |
11 | 208163730 |
12 | 1044a9104 |
13 | 70a691c7 |
14 | 42bd58c4 |
15 | 28d86dea |
hex | 1a69d754 |
443144020 has 48 divisors (see below), whose sum is σ = 1016664768. Its totient is φ = 160911360.
The previous prime is 443144003. The next prime is 443144063. The reversal of 443144020 is 20441344.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 443143982 and 443144000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252787 + ... + 254533.
It is an arithmetic number, because the mean of its divisors is an integer number (21180516).
Almost surely, 2443144020 is an apocalyptic number.
It is an amenable number.
443144020 is an abundant number, since it is smaller than the sum of its proper divisors (573520748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
443144020 is a wasteful number, since it uses less digits than its factorization.
443144020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 443144020 is about 21050.9862001760. The cubic root of 443144020 is about 762.3977940586.
Adding to 443144020 its reverse (20441344), we get a palindrome (463585364).
The spelling of 443144020 in words is "four hundred forty-three million, one hundred forty-four thousand, twenty".
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