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443530142 = 21120160461
BaseRepresentation
bin11010011011111…
…011101110011110
31010220120122222022
4122123323232132
51402020431032
6112002220142
713663641536
oct3233735636
91126518868
10443530142
112083a7840
12104654652
1370b72b93
1442c964c6
1528e11512
hex1a6fbb9e

443530142 has 8 divisors (see below), whose sum is σ = 725776632. Its totient is φ = 201604600.

The previous prime is 443530141. The next prime is 443530163. The reversal of 443530142 is 241035344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443530141) 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, 10080209 + ... + 10080252.

It is an arithmetic number, because the mean of its divisors is an integer number (90722079).

Almost surely, 2443530142 is an apocalyptic number.

443530142 is a deficient number, since it is larger than the sum of its proper divisors (282246490).

443530142 is a wasteful number, since it uses less digits than its factorization.

443530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160474.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 443530142 is about 21060.1553175659. The cubic root of 443530142 is about 762.6191615971.

Adding to 443530142 its reverse (241035344), we get a palindrome (684565486).

The spelling of 443530142 in words is "four hundred forty-three million, five hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 11 22 20160461 40320922 221765071 443530142