Base | Representation |
---|---|
bin | 100110001001… |
… | …0110111001001 |
3 | 1101122010010012 |
4 | 1030102313021 |
5 | 20110001301 |
6 | 1552401305 |
7 | 331666424 |
oct | 114226711 |
9 | 41563105 |
10 | 20000201 |
11 | 103204a1 |
12 | 6846235 |
13 | 41b3550 |
14 | 29289bb |
15 | 1b50ebb |
hex | 1312dc9 |
20000201 has 8 divisors (see below), whose sum is σ = 21638400. Its totient is φ = 18376272.
The previous prime is 20000171. The next prime is 20000213. The reversal of 20000201 is 10200002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20000201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20000221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 6348.
It is an arithmetic number, because the mean of its divisors is an integer number (2704800).
Almost surely, 220000201 is an apocalyptic number.
It is an amenable number.
20000201 is a deficient number, since it is larger than the sum of its proper divisors (1638199).
20000201 is a wasteful number, since it uses less digits than its factorization.
20000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7135.
The product of its (nonzero) digits is 4, while the sum is 5.
The square root of 20000201 is about 4472.1584274263. The cubic root of 20000201 is about 271.4426709863.
Adding to 20000201 its reverse (10200002), we get a palindrome (30200203).
Multiplying 20000201 by its reverse (10200002), we get a palindrome (204002090200402).
The spelling of 20000201 in words is "twenty million, two hundred one", and thus it is an aban number.
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