Base | Representation |
---|---|
bin | 101010111110110… |
… | …1110101010100100 |
3 | 10201111211122121000 |
4 | 1111331232222210 |
5 | 10423203322114 |
6 | 355040153300 |
7 | 50511611514 |
oct | 12575565244 |
9 | 3644748530 |
10 | 1442245284 |
11 | 680123257 |
12 | 343008830 |
13 | 19ca5029c |
14 | d978b844 |
15 | 8693be09 |
hex | 55f6eaa4 |
1442245284 has 96 divisors (see below), whose sum is σ = 3958416000. Its totient is φ = 453333888.
The previous prime is 1442245249. The next prime is 1442245297. The reversal of 1442245284 is 4825422441.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129322 + ... + 140030.
It is an arithmetic number, because the mean of its divisors is an integer number (41233500).
Almost surely, 21442245284 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442245284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979208000).
1442245284 is an abundant number, since it is smaller than the sum of its proper divisors (2516170716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442245284 is a wasteful number, since it uses less digits than its factorization.
1442245284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10794 (or 10786 counting only the distinct ones).
The product of its digits is 81920, while the sum is 36.
The square root of 1442245284 is about 37976.9046131988. The cubic root of 1442245284 is about 1129.8298446380.
The spelling of 1442245284 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, two hundred eighty-four".
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