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442343113 = 1247935447
BaseRepresentation
bin11010010111011…
…001111011001001
31010211100100200021
4122113121323021
51401214434423
6111520540441
713650566032
oct3227317311
91124310607
10442343113
11207766a23
12104181721
13708487b4
1442a67a89
1528c7995d
hex1a5d9ec9

442343113 has 4 divisors (see below), whose sum is σ = 442391040. Its totient is φ = 442295188.

The previous prime is 442343093. The next prime is 442343117. The reversal of 442343113 is 311343244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442343113 - 25 = 442343081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442343117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5245 + ... + 30202.

It is an arithmetic number, because the mean of its divisors is an integer number (110597760).

Almost surely, 2442343113 is an apocalyptic number.

It is an amenable number.

442343113 is a deficient number, since it is larger than the sum of its proper divisors (47927).

442343113 is a wasteful number, since it uses less digits than its factorization.

442343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47926.

The product of its digits is 3456, while the sum is 25.

The square root of 442343113 is about 21031.9545691788. The cubic root of 442343113 is about 761.9382158855.

Adding to 442343113 its reverse (311343244), we get a palindrome (753686357).

The spelling of 442343113 in words is "four hundred forty-two million, three hundred forty-three thousand, one hundred thirteen".

Divisors: 1 12479 35447 442343113