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442340501 = 1924679437
BaseRepresentation
bin11010010111011…
…001010010010101
31010211100020002112
4122113121102111
51401214344001
6111520520405
713650555311
oct3227312225
91124306075
10442340501
11207764a69
12104180105
1370847555
1442a66b41
1528c78cbb
hex1a5d9495

442340501 has 8 divisors (see below), whose sum is σ = 465859680. Its totient is φ = 418845168.

The previous prime is 442340497. The next prime is 442340533. The reversal of 442340501 is 105043244.

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

It is a cyclic number.

It is not a de Polignac number, because 442340501 - 22 = 442340497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442340551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42155 + ... + 51591.

It is an arithmetic number, because the mean of its divisors is an integer number (58232460).

Almost surely, 2442340501 is an apocalyptic number.

It is an amenable number.

442340501 is a deficient number, since it is larger than the sum of its proper divisors (23519179).

442340501 is a wasteful number, since it uses less digits than its factorization.

442340501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 442340501 is about 21031.8924730990. The cubic root of 442340501 is about 761.9367161549.

Adding to 442340501 its reverse (105043244), we get a palindrome (547383745).

The spelling of 442340501 in words is "four hundred forty-two million, three hundred forty thousand, five hundred one".

Divisors: 1 19 2467 9437 46873 179303 23281079 442340501