Base | Representation |
---|---|
bin | 1010000100100… |
… | …1001011001011 |
3 | 2221111011011210 |
4 | 2201021023023 |
5 | 41303232023 |
6 | 4105224203 |
7 | 1022025513 |
oct | 241111313 |
9 | 87434153 |
10 | 42242763 |
11 | 21932682 |
12 | 12192063 |
13 | 89a0624 |
14 | 5878843 |
15 | 3a96593 |
hex | 28492cb |
42242763 has 16 divisors (see below), whose sum is σ = 59143680. Its totient is φ = 26781216.
The previous prime is 42242729. The next prime is 42242803. The reversal of 42242763 is 36724224.
It is not a de Polignac number, because 42242763 - 26 = 42242699 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42242763.
It is not an unprimeable number, because it can be changed into a prime (42242713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2206 + ... + 9452.
It is an arithmetic number, because the mean of its divisors is an integer number (3696480).
Almost surely, 242242763 is an apocalyptic number.
42242763 is a deficient number, since it is larger than the sum of its proper divisors (16900917).
42242763 is a wasteful number, since it uses less digits than its factorization.
42242763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7346.
The product of its digits is 16128, while the sum is 30.
The square root of 42242763 is about 6499.4432838513. The cubic root of 42242763 is about 348.2711010110.
Adding to 42242763 its reverse (36724224), we get a palindrome (78966987).
The spelling of 42242763 in words is "forty-two million, two hundred forty-two thousand, seven hundred sixty-three".
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