Base | Representation |
---|---|
bin | 100111100111… |
… | …0010100110010 |
3 | 1110002010102001 |
4 | 1033032110302 |
5 | 20304034200 |
6 | 2021044214 |
7 | 341345152 |
oct | 117162462 |
9 | 43063361 |
10 | 20768050 |
11 | 107a5386 |
12 | 6b5666a |
13 | 43c1bb4 |
14 | 2a88762 |
15 | 1c5376a |
hex | 13ce532 |
20768050 has 48 divisors (see below), whose sum is σ = 41762952. Its totient is φ = 7654400.
The previous prime is 20768039. The next prime is 20768051. The reversal of 20768050 is 5086702.
It can be written as a sum of positive squares in 12 ways, for example, as 3470769 + 17297281 = 1863^2 + 4159^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20768051) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 44820 + ... + 45280.
Almost surely, 220768050 is an apocalyptic number.
20768050 is an abundant number, since it is smaller than the sum of its proper divisors (20994902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20768050 is a wasteful number, since it uses less digits than its factorization.
20768050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543 (or 538 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 20768050 is about 4557.1976037912. The cubic root of 20768050 is about 274.8728889139.
The spelling of 20768050 in words is "twenty million, seven hundred sixty-eight thousand, fifty".
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