Base | Representation |
---|---|
bin | 11010011011001… |
… | …101110100111110 |
3 | 1010220020010002100 |
4 | 122123031310332 |
5 | 1401443422032 |
6 | 111554205530 |
7 | 13662226455 |
oct | 3233156476 |
9 | 1126203070 |
10 | 443342142 |
11 | 208289571 |
12 | 1045838a6 |
13 | 70b08439 |
14 | 42c47b9c |
15 | 28dc597c |
hex | 1a6cdd3e |
443342142 has 24 divisors (see below), whose sum is σ = 961655760. Its totient is φ = 147614400.
The previous prime is 443342113. The next prime is 443342161. The reversal of 443342142 is 241243344.
It is a happy number.
443342142 is a `hidden beast` number, since 443 + 3 + 4 + 214 + 2 = 666.
It is a super-3 number, since 3×4433421423 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3142 + ... + 29942.
It is an arithmetic number, because the mean of its divisors is an integer number (40068990).
Almost surely, 2443342142 is an apocalyptic number.
443342142 is an abundant number, since it is smaller than the sum of its proper divisors (518313618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
443342142 is a wasteful number, since it uses less digits than its factorization.
443342142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27728 (or 27725 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 443342142 is about 21055.6914396084. The cubic root of 443342142 is about 762.5113954044.
Adding to 443342142 its reverse (241243344), we get a palindrome (684585486).
The spelling of 443342142 in words is "four hundred forty-three million, three hundred forty-two thousand, one hundred forty-two".
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