Base | Representation |
---|---|
bin | 100110100110… |
… | …1110000100010 |
3 | 1102002101001001 |
4 | 1031031300202 |
5 | 20140211232 |
6 | 2001502214 |
7 | 334022644 |
oct | 115156042 |
9 | 42071031 |
10 | 20241442 |
11 | 10475771 |
12 | 694196a |
13 | 42692b0 |
14 | 298c894 |
15 | 1b9c6e7 |
hex | 134dc22 |
20241442 has 32 divisors (see below), whose sum is σ = 34301232. Its totient is φ = 8895744.
The previous prime is 20241421. The next prime is 20241469. The reversal of 20241442 is 24414202.
It can be written as a sum of positive squares in 8 ways, for example, as 14676561 + 5564881 = 3831^2 + 2359^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50788 + ... + 51184.
Almost surely, 220241442 is an apocalyptic number.
20241442 is a deficient number, since it is larger than the sum of its proper divisors (14059790).
20241442 is a wasteful number, since it uses less digits than its factorization.
20241442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502.
The product of its (nonzero) digits is 512, while the sum is 19.
The square root of 20241442 is about 4499.0490106244. The cubic root of 20241442 is about 272.5296861859.
Adding to 20241442 its reverse (24414202), we get a palindrome (44655644).
The spelling of 20241442 in words is "twenty million, two hundred forty-one thousand, four hundred forty-two".
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