Search a number
-
+
443234142 = 232131894163
BaseRepresentation
bin11010011010110…
…011011101011110
31010220000121221100
4122122303131132
51401431443032
6111552013530
713661266551
oct3232633536
91126017840
10443234142
1120821540a
121045312a6
1370a9b230
1442c1a698
1528da397c
hex1a6b375e

443234142 has 24 divisors (see below), whose sum is σ = 1034213544. Its totient is φ = 136379664.

The previous prime is 443234119. The next prime is 443234159. The reversal of 443234142 is 241432344.

It is a happy number.

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, 946848 + ... + 947315.

It is an arithmetic number, because the mean of its divisors is an integer number (43092231).

Almost surely, 2443234142 is an apocalyptic number.

443234142 is an abundant number, since it is smaller than the sum of its proper divisors (590979402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443234142 is a wasteful number, since it uses less digits than its factorization.

443234142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894184 (or 1894181 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 443234142 is about 21053.1266561525. The cubic root of 443234142 is about 762.4494733876.

Adding to 443234142 its reverse (241432344), we get a palindrome (684666486).

The spelling of 443234142 in words is "four hundred forty-three million, two hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 1894163 3788326 5682489 11364978 17047467 24624119 34094934 49248238 73872357 147744714 221617071 443234142