Base | Representation |
---|---|
bin | 100110100110… |
… | …0111000111010 |
3 | 1102002012011012 |
4 | 1031030320322 |
5 | 20140103012 |
6 | 2001433522 |
7 | 334006400 |
oct | 115147072 |
9 | 42065135 |
10 | 20237882 |
11 | 10473025 |
12 | 693b8a2 |
13 | 42677a2 |
14 | 298b470 |
15 | 1b9b622 |
hex | 134ce3a |
20237882 has 24 divisors (see below), whose sum is σ = 36535860. Its totient is φ = 8373120.
The previous prime is 20237881. The next prime is 20237923. The reversal of 20237882 is 28873202.
It can be written as a sum of positive squares in 2 ways, for example, as 18412681 + 1825201 = 4291^2 + 1351^2 .
It is not an unprimeable number, because it can be changed into a prime (20237881) 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 11 ways as a sum of consecutive naturals, for example, 719 + ... + 6402.
Almost surely, 220237882 is an apocalyptic number.
20237882 is a deficient number, since it is larger than the sum of its proper divisors (16297978).
20237882 is a wasteful number, since it uses less digits than its factorization.
20237882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7166 (or 7159 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 20237882 is about 4498.6533540605. The cubic root of 20237882 is about 272.5137080330.
The spelling of 20237882 in words is "twenty million, two hundred thirty-seven thousand, eight hundred eighty-two".
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