Base | Representation |
---|---|
bin | 101010111110101… |
… | …0011100010000000 |
3 | 10201111122000010201 |
4 | 1111331103202000 |
5 | 10423141243034 |
6 | 355033534544 |
7 | 50510636503 |
oct | 12575234200 |
9 | 3644560121 |
10 | 1442134144 |
11 | 680057800 |
12 | 342b74454 |
13 | 19ca11819 |
14 | d975d13a |
15 | 86919014 |
hex | 55f53880 |
1442134144 has 48 divisors (see below), whose sum is σ = 3157961310. Its totient is φ = 655508480.
The previous prime is 1442134139. The next prime is 1442134147. The reversal of 1442134144 is 4414312441.
It can be written as a sum of positive squares in only one way, i.e., 1270209600 + 171924544 = 35640^2 + 13112^2 .
It is a super-2 number, since 2×14421341442 = 4159501778581225472, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1442134147) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31069 + ... + 62044.
Almost surely, 21442134144 is an apocalyptic number.
It is an amenable number.
1442134144 is an abundant number, since it is smaller than the sum of its proper divisors (1715827166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442134144 is an equidigital number, since it uses as much as digits as its factorization.
1442134144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93149 (or 93126 counting only the distinct ones).
The product of its digits is 6144, while the sum is 28.
The square root of 1442134144 is about 37975.4413272578. The cubic root of 1442134144 is about 1129.8008221788.
Adding to 1442134144 its reverse (4414312441), we get a palindrome (5856446585).
The spelling of 1442134144 in words is "one billion, four hundred forty-two million, one hundred thirty-four thousand, one hundred forty-four".
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