Base | Representation |
---|---|
bin | 1111111110101100… |
… | …0110000010001100 |
3 | 102001221102111221110 |
4 | 3333223012002030 |
5 | 32241102040423 |
6 | 1545350332020 |
7 | 211204015653 |
oct | 37753060214 |
9 | 12057374843 |
10 | 4289486988 |
11 | 1901338076 |
12 | 9b865a010 |
13 | 5348ab2a7 |
14 | 2c998c19a |
15 | 1a18a9193 |
hex | ffac608c |
4289486988 has 96 divisors (see below), whose sum is σ = 11021488128. Its totient is φ = 1292544000.
The previous prime is 4289486983. The next prime is 4289487023. The reversal of 4289486988 is 8896849824.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (4289486983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 863913 + ... + 868863.
It is an arithmetic number, because the mean of its divisors is an integer number (114807168).
Almost surely, 24289486988 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 4289486988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5510744064).
4289486988 is an abundant number, since it is smaller than the sum of its proper divisors (6732001140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4289486988 is a wasteful number, since it uses less digits than its factorization.
4289486988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5143 (or 5141 counting only the distinct ones).
The product of its digits is 63700992, while the sum is 66.
The square root of 4289486988 is about 65494.1752219234. The cubic root of 4289486988 is about 1624.8070130421.
The spelling of 4289486988 in words is "four billion, two hundred eighty-nine million, four hundred eighty-six thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •