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442524341 = 729031109
BaseRepresentation
bin11010011000000…
…110001010110101
31010211200120021102
4122120012022311
51401241234331
6111524455445
713652252300
oct3230061265
91124616242
10442524341
112078800a6
1210424a585
13708b012c
1442ab3b37
1528cb34cb
hex1a6062b5

442524341 has 6 divisors (see below), whose sum is σ = 514773270. Its totient is φ = 379306536.

The previous prime is 442524319. The next prime is 442524343. The reversal of 442524341 is 143425244.

It can be written as a sum of positive squares in only one way, i.e., 405861316 + 36663025 = 20146^2 + 6055^2 .

It is a de Polignac number, because none of the positive numbers 2k-442524341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442524343) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4515506 + ... + 4515603.

It is an arithmetic number, because the mean of its divisors is an integer number (85795545).

Almost surely, 2442524341 is an apocalyptic number.

It is an amenable number.

442524341 is a deficient number, since it is larger than the sum of its proper divisors (72248929).

442524341 is an equidigital number, since it uses as much as digits as its factorization.

442524341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031123 (or 9031116 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 442524341 is about 21036.2625245075. The cubic root of 442524341 is about 762.0422570559.

Adding to 442524341 its reverse (143425244), we get a palindrome (585949585).

The spelling of 442524341 in words is "four hundred forty-two million, five hundred twenty-four thousand, three hundred forty-one".

Divisors: 1 7 49 9031109 63217763 442524341