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443023142 = 2643344497
BaseRepresentation
bin11010011001111…
…111111100100110
31010212121220111112
4122121333330212
51401403220032
6111543305022
713656430442
oct3231777446
91125556445
10443023142
11208090931
1210444b172
1370a26193
1442ba3822
1528d611b2
hex1a67ff26

443023142 has 8 divisors (see below), whose sum is σ = 665570136. Its totient is φ = 221166432.

The previous prime is 443023127. The next prime is 443023151. The reversal of 443023142 is 241320344.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170963 + ... + 173534.

It is an arithmetic number, because the mean of its divisors is an integer number (83196267).

Almost surely, 2443023142 is an apocalyptic number.

443023142 is a deficient number, since it is larger than the sum of its proper divisors (222546994).

443023142 is a wasteful number, since it uses less digits than its factorization.

443023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345142.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 443023142 is about 21048.1149274703. The cubic root of 443023142 is about 762.3284670852.

Adding to 443023142 its reverse (241320344), we get a palindrome (684343486).

It can be divided in two parts, 4430 and 23142, that added together give a palindrome (27572).

The spelling of 443023142 in words is "four hundred forty-three million, twenty-three thousand, one hundred forty-two".

Divisors: 1 2 643 1286 344497 688994 221511571 443023142