Base | Representation |
---|---|
bin | 1111111110100000110000 |
3 | 21212210010211 |
4 | 33332200300 |
5 | 2033010313 |
6 | 225433504 |
7 | 50412343 |
oct | 17764060 |
9 | 7783124 |
10 | 4188208 |
11 | 2400732 |
12 | 149b894 |
13 | b3843b |
14 | 7b045a |
15 | 57ae3d |
hex | 3fe830 |
4188208 has 40 divisors (see below), whose sum is σ = 8928000. Its totient is φ = 1894464.
The previous prime is 4188203. The next prime is 4188221. The reversal of 4188208 is 8028814.
It is a self number, because there is not a number n which added to its sum of digits gives 4188208.
It is not an unprimeable number, because it can be changed into a prime (4188203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6693 + ... + 7291.
It is an arithmetic number, because the mean of its divisors is an integer number (223200).
Almost surely, 24188208 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 4188208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464000).
4188208 is an abundant number, since it is smaller than the sum of its proper divisors (4739792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4188208 is a wasteful number, since it uses less digits than its factorization.
4188208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649 (or 643 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 4188208 is about 2046.5111775898. The cubic root of 4188208 is about 161.1917266348.
Subtracting 4188208 from its reverse (8028814), we obtain a triangular number (3840606 = T2771).
The spelling of 4188208 in words is "four million, one hundred eighty-eight thousand, two hundred eight".
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