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443104142 = 2133313253
BaseRepresentation
bin11010011010010…
…011101110001110
31010212210000121112
4122122103232032
51401413313032
6111545132022
713660215545
oct3232235616
91125700545
10443104142
11208136778
1210448a012
1370a54000
1442bc515c
1528d7a1b2
hex1a693b8e

443104142 has 32 divisors (see below), whose sum is σ = 743473920. Its totient is φ = 197851680.

The previous prime is 443104139. The next prime is 443104159. The reversal of 443104142 is 241401344.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134588 + ... + 137840.

It is an arithmetic number, because the mean of its divisors is an integer number (23233560).

Almost surely, 2443104142 is an apocalyptic number.

443104142 is a deficient number, since it is larger than the sum of its proper divisors (300369778).

443104142 is a wasteful number, since it uses less digits than its factorization.

443104142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3299 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 443104142 is about 21050.0390023392. The cubic root of 443104142 is about 762.3749242843.

Adding to 443104142 its reverse (241401344), we get a palindrome (684505486).

The spelling of 443104142 in words is "four hundred forty-three million, one hundred four thousand, one hundred forty-two".

Divisors: 1 2 13 26 31 62 169 338 403 806 2197 3253 4394 5239 6506 10478 42289 68107 84578 100843 136214 201686 549757 1099514 1310959 2621918 7146841 14293682 17042467 34084934 221552071 443104142