Base | Representation |
---|---|
bin | 101010111111001… |
… | …0101011100110000 |
3 | 10201112010201111201 |
4 | 1111332111130300 |
5 | 10423223413034 |
6 | 355043420544 |
7 | 50513142616 |
oct | 12576253460 |
9 | 3645121451 |
10 | 1442404144 |
11 | 680221645 |
12 | 343084754 |
13 | 19caa769c |
14 | d97cd6b6 |
15 | 8696e014 |
hex | 55f95730 |
1442404144 has 10 divisors (see below), whose sum is σ = 2794658060. Its totient is φ = 721202064.
The previous prime is 1442404127. The next prime is 1442404157. The reversal of 1442404144 is 4414042441.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 45075114 + ... + 45075145.
It is an arithmetic number, because the mean of its divisors is an integer number (279465806).
Almost surely, 21442404144 is an apocalyptic number.
It is an amenable number.
1442404144 is a deficient number, since it is larger than the sum of its proper divisors (1352253916).
1442404144 is an equidigital number, since it uses as much as digits as its factorization.
1442404144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90150267 (or 90150261 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 28.
The square root of 1442404144 is about 37978.9960899442. The cubic root of 1442404144 is about 1129.8713258344.
Adding to 1442404144 its reverse (4414042441), we get a palindrome (5856446585).
The spelling of 1442404144 in words is "one billion, four hundred forty-two million, four hundred four thousand, one hundred forty-four".
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