Base | Representation |
---|---|
bin | 100110011101… |
… | …0100001111010 |
3 | 1101221101000000 |
4 | 1030322201322 |
5 | 20130201212 |
6 | 2000053430 |
7 | 333244221 |
oct | 114724172 |
9 | 41841000 |
10 | 20162682 |
11 | 10421581 |
12 | 6904276 |
13 | 423c4a7 |
14 | 296bcb8 |
15 | 1b841dc |
hex | 133a87a |
20162682 has 28 divisors (see below), whose sum is σ = 45348570. Its totient is φ = 6720408.
The previous prime is 20162641. The next prime is 20162717. The reversal of 20162682 is 28626102.
It can be written as a sum of positive squares in only one way, i.e., 19368801 + 793881 = 4401^2 + 891^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
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 13 ways as a sum of consecutive naturals, for example, 5457 + ... + 8372.
Almost surely, 220162682 is an apocalyptic number.
20162682 is an abundant number, since it is smaller than the sum of its proper divisors (25185888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20162682 is an equidigital number, since it uses as much as digits as its factorization.
20162682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13849 (or 13834 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 20162682 is about 4490.2875186340. The cubic root of 20162682 is about 272.1757532664.
Adding to 20162682 its reverse (28626102), we get a palindrome (48788784).
The spelling of 20162682 in words is "twenty million, one hundred sixty-two thousand, six hundred eighty-two".
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