Base | Representation |
---|---|
bin | 1000001110101000… |
… | …1111111110010000 |
3 | 12200221102021111012 |
4 | 2003222033332100 |
5 | 14010434001033 |
6 | 1003104110052 |
7 | 105511155530 |
oct | 20352177620 |
9 | 5627367435 |
10 | 2208890768 |
11 | a33952367 |
12 | 517905328 |
13 | 292825376 |
14 | 16d5134c0 |
15 | cddc6248 |
hex | 83a8ff90 |
2208890768 has 40 divisors (see below), whose sum is σ = 4896710400. Its totient is φ = 945584640.
The previous prime is 2208890753. The next prime is 2208890791. The reversal of 2208890768 is 8670988022.
2208890768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 91208 + ... + 112856.
It is an arithmetic number, because the mean of its divisors is an integer number (122417760).
Almost surely, 22208890768 is an apocalyptic number.
2208890768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2208890768 is an abundant number, since it is smaller than the sum of its proper divisors (2687819632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2208890768 is a wasteful number, since it uses less digits than its factorization.
2208890768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22575 (or 22569 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The square root of 2208890768 is about 46998.8379430811. The cubic root of 2208890768 is about 1302.3411006382.
It can be divided in two parts, 220 and 8890768, that added together give a palindrome (8890988).
The spelling of 2208890768 in words is "two billion, two hundred eight million, eight hundred ninety thousand, seven hundred sixty-eight".
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