Base | Representation |
---|---|
bin | 100110001111… |
… | …1001111010011 |
3 | 1101201200122220 |
4 | 1030133033103 |
5 | 20113112044 |
6 | 1553432123 |
7 | 332300301 |
oct | 114371723 |
9 | 41650586 |
10 | 20050899 |
11 | 103555a0 |
12 | 686b643 |
13 | 420064b |
14 | 293d271 |
15 | 1b61019 |
hex | 131f3d3 |
20050899 has 16 divisors (see below), whose sum is σ = 29496960. Its totient is φ = 12013760.
The previous prime is 20050879. The next prime is 20050913. The reversal of 20050899 is 99805002.
It is not a de Polignac number, because 20050899 - 25 = 20050867 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (20050819) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477 + ... + 6350.
It is an arithmetic number, because the mean of its divisors is an integer number (1843560).
Almost surely, 220050899 is an apocalyptic number.
20050899 is a deficient number, since it is larger than the sum of its proper divisors (9446061).
20050899 is a wasteful number, since it uses less digits than its factorization.
20050899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6930.
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 20050899 is about 4477.8230201740. The cubic root of 20050899 is about 271.6718351650.
The spelling of 20050899 in words is "twenty million, fifty thousand, eight hundred ninety-nine".
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