Base | Representation |
---|---|
bin | 1111110100001001… |
… | …1101110011000000 |
3 | 101221212020200002002 |
4 | 3331002131303000 |
5 | 32143243010414 |
6 | 1541131043132 |
7 | 210126205256 |
oct | 37502356300 |
9 | 11855220062 |
10 | 4245281984 |
11 | 1889395209 |
12 | 9a58a04a8 |
13 | 5286a1798 |
14 | 2c3b625d6 |
15 | 19ca764de |
hex | fd09dcc0 |
4245281984 has 56 divisors (see below), whose sum is σ = 8741956608. Its totient is φ = 2043982080.
The previous prime is 4245281977. The next prime is 4245281993. The reversal of 4245281984 is 4891825424.
It is a happy number.
4245281984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×42452819843 (a number of 30 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184529 + ... + 206255.
It is an arithmetic number, because the mean of its divisors is an integer number (156106368).
Almost surely, 24245281984 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 4245281984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370978304).
4245281984 is an abundant number, since it is smaller than the sum of its proper divisors (4496674624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4245281984 is a wasteful number, since it uses less digits than its factorization.
4245281984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21853 (or 21843 counting only the distinct ones).
The product of its digits is 737280, while the sum is 47.
The square root of 4245281984 is about 65155.8284729770. The cubic root of 4245281984 is about 1619.2062849642.
The spelling of 4245281984 in words is "four billion, two hundred forty-five million, two hundred eighty-one thousand, nine hundred eighty-four".
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