Base | Representation |
---|---|
bin | 101010111111001… |
… | …1111111010100000 |
3 | 10201112012220022021 |
4 | 1111332133322200 |
5 | 10423231301013 |
6 | 355044351224 |
7 | 50513411602 |
oct | 12576377240 |
9 | 3645186267 |
10 | 1442447008 |
11 | 680250872 |
12 | 3430a5514 |
13 | 19cac1052 |
14 | d9801172 |
15 | 8697ba8d |
hex | 55f9fea0 |
1442447008 has 48 divisors (see below), whose sum is σ = 3110584680. Its totient is φ = 655384576.
The previous prime is 1442446981. The next prime is 1442447009. The reversal of 1442447008 is 8007442441.
It can be written as a sum of positive squares in 4 ways, for example, as 1170460944 + 271986064 = 34212^2 + 16492^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (1442447009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29941 + ... + 61492.
Almost surely, 21442447008 is an apocalyptic number.
It is an amenable number.
1442447008 is an abundant number, since it is smaller than the sum of its proper divisors (1668137672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442447008 is a wasteful number, since it uses less digits than its factorization.
1442447008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91489 (or 91481 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 34.
The square root of 1442447008 is about 37979.5603976665. The cubic root of 1442447008 is about 1129.8825178721.
Adding to 1442447008 its reverse (8007442441), we get a palindrome (9449889449).
The spelling of 1442447008 in words is "one billion, four hundred forty-two million, four hundred forty-seven thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.107 sec. • engine limits •