Base | Representation |
---|---|
bin | 1110111000010111… |
… | …0011011010101000 |
3 | 101022101100120010100 |
4 | 3232011303122220 |
5 | 31140042424403 |
6 | 1500211545400 |
7 | 200662451613 |
oct | 35605633250 |
9 | 11271316110 |
10 | 3994498728 |
11 | 176a877020 |
12 | 9358bb260 |
13 | 4b874671c |
14 | 29c72117a |
15 | 185a3a2a3 |
hex | ee1736a8 |
3994498728 has 96 divisors (see below), whose sum is σ = 11978235360. Its totient is φ = 1192371840.
The previous prime is 3994498727. The next prime is 3994498751. The reversal of 3994498728 is 8278944993.
3994498728 is a `hidden beast` number, since 3 + 99 + 449 + 87 + 28 = 666.
It is not an unprimeable number, because it can be changed into a prime (3994498727) 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 23 ways as a sum of consecutive naturals, for example, 15426 + ... + 90702.
It is an arithmetic number, because the mean of its divisors is an integer number (124773285).
Almost surely, 23994498728 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 3994498728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5989117680).
3994498728 is an abundant number, since it is smaller than the sum of its proper divisors (7983736632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3994498728 is a wasteful number, since it uses less digits than its factorization.
3994498728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75367 (or 75360 counting only the distinct ones).
The product of its digits is 31352832, while the sum is 63.
The square root of 3994498728 is about 63202.0468655881. The cubic root of 3994498728 is about 1586.6729910143.
The spelling of 3994498728 in words is "three billion, nine hundred ninety-four million, four hundred ninety-eight thousand, seven hundred twenty-eight".
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