Base | Representation |
---|---|
bin | 100110001010… |
… | …1010011100000 |
3 | 1101122121211211 |
4 | 1030111103200 |
5 | 20110311313 |
6 | 1552515504 |
7 | 332040541 |
oct | 114252340 |
9 | 41577754 |
10 | 20010208 |
11 | 10327a69 |
12 | 684bb94 |
13 | 41b7c7a |
14 | 292c4c8 |
15 | 1b53e3d |
hex | 13154e0 |
20010208 has 12 divisors (see below), whose sum is σ = 39395160. Its totient is φ = 10005088.
The previous prime is 20010197. The next prime is 20010209. The reversal of 20010208 is 80201002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312628 + ... + 312691.
It is an arithmetic number, because the mean of its divisors is an integer number (3282930).
Almost surely, 220010208 is an apocalyptic number.
It is an amenable number.
20010208 is a deficient number, since it is larger than the sum of its proper divisors (19384952).
20010208 is an equidigital number, since it uses as much as digits as its factorization.
20010208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 625329 (or 625321 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 20010208 is about 4473.2770985040. The cubic root of 20010208 is about 271.4879350965.
The spelling of 20010208 in words is "twenty million, ten thousand, two hundred eight".
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