Base | Representation |
---|---|
bin | 100110001111… |
… | …1001110111011 |
3 | 1101201200122000 |
4 | 1030133032323 |
5 | 20113112000 |
6 | 1553432043 |
7 | 332300235 |
oct | 114371673 |
9 | 41650560 |
10 | 20050875 |
11 | 10355579 |
12 | 686b623 |
13 | 4200630 |
14 | 293d255 |
15 | 1b61000 |
hex | 131f3bb |
20050875 has 64 divisors (see below), whose sum is σ = 40010880. Its totient is φ = 9849600.
The previous prime is 20050867. The next prime is 20050879. The reversal of 20050875 is 57805002.
It is a happy number.
It is not a de Polignac number, because 20050875 - 23 = 20050867 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20050879) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43647 + ... + 44103.
It is an arithmetic number, because the mean of its divisors is an integer number (625170).
Almost surely, 220050875 is an apocalyptic number.
20050875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20050875 is a deficient number, since it is larger than the sum of its proper divisors (19960005).
20050875 is a wasteful number, since it uses less digits than its factorization.
20050875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494 (or 478 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 20050875 is about 4477.8203402995. The cubic root of 20050875 is about 271.6717267721.
Adding to 20050875 its reverse (57805002), we get a palindrome (77855877).
The spelling of 20050875 in words is "twenty million, fifty thousand, eight hundred seventy-five".
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