Base | Representation |
---|---|
bin | 100110001101… |
… | …0001011110111 |
3 | 1101200122021020 |
4 | 1030122023313 |
5 | 20111431244 |
6 | 1553152223 |
7 | 332153040 |
oct | 114321367 |
9 | 41618236 |
10 | 20030199 |
11 | 10340a92 |
12 | 685b673 |
13 | 41c40b7 |
14 | 29358c7 |
15 | 1b59d19 |
hex | 131a2f7 |
20030199 has 32 divisors (see below), whose sum is σ = 34030080. Its totient is φ = 10202112.
The previous prime is 20030191. The next prime is 20030203. The reversal of 20030199 is 99103002.
It is a happy number.
It is not a de Polignac number, because 20030199 - 23 = 20030191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20030191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5307 + ... + 8259.
It is an arithmetic number, because the mean of its divisors is an integer number (1063440).
Almost surely, 220030199 is an apocalyptic number.
20030199 is a deficient number, since it is larger than the sum of its proper divisors (13999881).
20030199 is a wasteful number, since it uses less digits than its factorization.
20030199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2999.
The product of its (nonzero) digits is 486, while the sum is 24.
The square root of 20030199 is about 4475.5110322733. The cubic root of 20030199 is about 271.5783141161.
The spelling of 20030199 in words is "twenty million, thirty thousand, one hundred ninety-nine".
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