Base | Representation |
---|---|
bin | 100110100110… |
… | …1110101101011 |
3 | 1102002101111020 |
4 | 1031031311223 |
5 | 20140214041 |
6 | 2001503523 |
7 | 334023624 |
oct | 115156553 |
9 | 42071436 |
10 | 20241771 |
11 | 10475a40 |
12 | 6941ba3 |
13 | 42694a4 |
14 | 298ca4b |
15 | 1b9c866 |
hex | 134dd6b |
20241771 has 16 divisors (see below), whose sum is σ = 30723840. Its totient is φ = 11733920.
The previous prime is 20241769. The next prime is 20241787. The reversal of 20241771 is 17714202.
It is not a de Polignac number, because 20241771 - 21 = 20241769 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20241721) 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, 12576 + ... + 14093.
It is an arithmetic number, because the mean of its divisors is an integer number (1920240).
Almost surely, 220241771 is an apocalyptic number.
20241771 is a deficient number, since it is larger than the sum of its proper divisors (10482069).
20241771 is a wasteful number, since it uses less digits than its factorization.
20241771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26706.
The product of its (nonzero) digits is 784, while the sum is 24.
The square root of 20241771 is about 4499.0855737583. The cubic root of 20241771 is about 272.5311627240.
Adding to 20241771 its reverse (17714202), we get a palindrome (37955973).
It can be divided in two parts, 20241 and 771, that added together give a palindrome (21012).
The spelling of 20241771 in words is "twenty million, two hundred forty-one thousand, seven hundred seventy-one".
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