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442304011 = 17157165719
BaseRepresentation
bin11010010111010…
…000011000001011
31010211021101001001
4122113100120023
51401212212021
6111520035431
713650344032
oct3227203013
91124241031
10442304011
1120773a606
12104162b77
1370833a66
1442a57719
1528c6d091
hex1a5d060b

442304011 has 8 divisors (see below), whose sum is σ = 471307680. Its totient is φ = 413632128.

The previous prime is 442304003. The next prime is 442304029. The reversal of 442304011 is 110403244.

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 442304011 - 23 = 442304003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442304011.

It is not an unprimeable number, because it can be changed into a prime (442304041) 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 7 ways as a sum of consecutive naturals, for example, 80191 + ... + 85528.

It is an arithmetic number, because the mean of its divisors is an integer number (58913460).

Almost surely, 2442304011 is an apocalyptic number.

442304011 is a deficient number, since it is larger than the sum of its proper divisors (29003669).

442304011 is a wasteful number, since it uses less digits than its factorization.

442304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165893.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442304011 is about 21031.0249631348. The cubic root of 442304011 is about 761.9157640940.

Adding to 442304011 its reverse (110403244), we get a palindrome (552707255).

The spelling of 442304011 in words is "four hundred forty-two million, three hundred four thousand, eleven".

Divisors: 1 17 157 2669 165719 2817223 26017883 442304011