Base | Representation |
---|---|
bin | 100010011011… |
… | …0111011111000 |
3 | 1020222002001110 |
4 | 1010312323320 |
5 | 14110111213 |
6 | 1442520320 |
7 | 306300156 |
oct | 104667370 |
9 | 36862043 |
10 | 18050808 |
11 | a209926 |
12 | 60660a0 |
13 | 3980169 |
14 | 257c3d6 |
15 | 18b85c3 |
hex | 1136ef8 |
18050808 has 16 divisors (see below), whose sum is σ = 45127080. Its totient is φ = 6016928.
The previous prime is 18050807. The next prime is 18050819. The reversal of 18050808 is 80805081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18050801) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376035 + ... + 376082.
Almost surely, 218050808 is an apocalyptic number.
It is an amenable number.
18050808 is an abundant number, since it is smaller than the sum of its proper divisors (27076272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18050808 is a wasteful number, since it uses less digits than its factorization.
18050808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752126 (or 752122 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 30.
The square root of 18050808 is about 4248.6242479184. The cubic root of 18050808 is about 262.3204904230.
Adding to 18050808 its reverse (80805081), we get a palindrome (98855889).
The spelling of 18050808 in words is "eighteen million, fifty thousand, eight hundred eight".
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