Base | Representation |
---|---|
bin | 101010111111001… |
… | …1111001100001010 |
3 | 10201112012202020102 |
4 | 1111332133030022 |
5 | 10423231202132 |
6 | 355044325402 |
7 | 50513400134 |
oct | 12576371412 |
9 | 3645182212 |
10 | 1442444042 |
11 | 680249616 |
12 | 3430a3862 |
13 | 19cabc8b0 |
14 | d9800054 |
15 | 8697ac62 |
hex | 55f9f30a |
1442444042 has 16 divisors (see below), whose sum is σ = 2386935432. Its totient is φ = 649505280.
The previous prime is 1442444041. The next prime is 1442444063. The reversal of 1442444042 is 2404442441.
It can be written as a sum of positive squares in 4 ways, for example, as 488807881 + 953636161 = 22109^2 + 30881^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1442443996 and 1442444014.
It is not an unprimeable number, because it can be changed into a prime (1442444041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675503 + ... + 677634.
Almost surely, 21442444042 is an apocalyptic number.
1442444042 is a deficient number, since it is larger than the sum of its proper divisors (944491390).
1442444042 is a wasteful number, since it uses less digits than its factorization.
1442444042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1353193.
The product of its (nonzero) digits is 16384, while the sum is 29.
The square root of 1442444042 is about 37979.5213503277. The cubic root of 1442444042 is about 1129.8817434395.
Adding to 1442444042 its reverse (2404442441), we get a palindrome (3846886483).
The spelling of 1442444042 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, forty-two".
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