Base | Representation |
---|---|
bin | 100110010000… |
… | …1100000110000 |
3 | 1101202011102200 |
4 | 1030201200300 |
5 | 20113411313 |
6 | 1553543200 |
7 | 332336400 |
oct | 114414060 |
9 | 41664380 |
10 | 20060208 |
11 | 10361593 |
12 | 6874b00 |
13 | 420495c |
14 | 2942800 |
15 | 1b63b73 |
hex | 1321830 |
20060208 has 90 divisors (see below), whose sum is σ = 65329524. Its totient is φ = 5729472.
The previous prime is 20060197. The next prime is 20060213. The reversal of 20060208 is 80206002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5635 + ... + 8477.
Almost surely, 220060208 is an apocalyptic number.
20060208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20060208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32664762).
20060208 is an abundant number, since it is smaller than the sum of its proper divisors (45269316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20060208 is a wasteful number, since it uses less digits than its factorization.
20060208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2871 (or 2855 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 20060208 is about 4478.8623555541. The cubic root of 20060208 is about 271.7138715484.
The spelling of 20060208 in words is "twenty million, sixty thousand, two hundred eight".
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