Base | Representation |
---|---|
bin | 100110001011… |
… | …0010001111101 |
3 | 1101122211022212 |
4 | 1030112101331 |
5 | 20110423310 |
6 | 1552550205 |
7 | 332055311 |
oct | 114262175 |
9 | 41584285 |
10 | 20014205 |
11 | 1032aa72 |
12 | 6852365 |
13 | 41b9a33 |
14 | 292db41 |
15 | 1b55205 |
hex | 131647d |
20014205 has 16 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 15263808.
The previous prime is 20014199. The next prime is 20014213. The reversal of 20014205 is 50241002.
It is a cyclic number.
It is not a de Polignac number, because 20014205 - 222 = 15819901 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20014205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11204 + ... + 12866.
It is an arithmetic number, because the mean of its divisors is an integer number (1572480).
Almost surely, 220014205 is an apocalyptic number.
It is an amenable number.
20014205 is a deficient number, since it is larger than the sum of its proper divisors (5145475).
20014205 is a wasteful number, since it uses less digits than its factorization.
20014205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1780.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 20014205 is about 4473.7238403817. The cubic root of 20014205 is about 271.5060102881.
Adding to 20014205 its reverse (50241002), we get a palindrome (70255207).
The spelling of 20014205 in words is "twenty million, fourteen thousand, two hundred five".
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