Base | Representation |
---|---|
bin | 1000011100011110110000 |
3 | 11011110202220 |
4 | 20130132300 |
5 | 1031320213 |
6 | 115241040 |
7 | 24550152 |
oct | 10343660 |
9 | 4143686 |
10 | 2213808 |
11 | 12822a3 |
12 | 8a9180 |
13 | 5c685c |
14 | 418ad2 |
15 | 2dae23 |
hex | 21c7b0 |
2213808 has 40 divisors (see below), whose sum is σ = 6057648. Its totient is φ = 694272.
The previous prime is 2213789. The next prime is 2213833. The reversal of 2213808 is 8083122.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 541 + ... + 2172.
22213808 is an apocalyptic number.
It is an amenable number.
2213808 is an abundant number, since it is smaller than the sum of its proper divisors (3843840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213808 is a wasteful number, since it uses less digits than its factorization.
2213808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2741 (or 2735 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 2213808 is about 1487.8870924906. The cubic root of 2213808 is about 130.3306768921.
The spelling of 2213808 in words is "two million, two hundred thirteen thousand, eight hundred eight".
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