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443042642 = 2731645903
BaseRepresentation
bin11010011010000…
…100101101010010
31010212122220020202
4122122010231102
51401404331032
6111543535202
713656541340
oct3232045522
91125586222
10443042642
112080a4549
1210445a502
1370a32013
1442baa990
1528d66d62
hex1a684b52

443042642 has 8 divisors (see below), whose sum is σ = 759501696. Its totient is φ = 189875412.

The previous prime is 443042617. The next prime is 443042651. The reversal of 443042642 is 246240344.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15822938 + ... + 15822965.

It is an arithmetic number, because the mean of its divisors is an integer number (94937712).

Almost surely, 2443042642 is an apocalyptic number.

443042642 is a deficient number, since it is larger than the sum of its proper divisors (316459054).

443042642 is a wasteful number, since it uses less digits than its factorization.

443042642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31645912.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 443042642 is about 21048.5781467538. The cubic root of 443042642 is about 762.3396517432.

Adding to 443042642 its reverse (246240344), we get a palindrome (689282986).

The spelling of 443042642 in words is "four hundred forty-three million, forty-two thousand, six hundred forty-two".

Divisors: 1 2 7 14 31645903 63291806 221521321 443042642