Base | Representation |
---|---|
bin | 100110110100… |
… | …0010111010110 |
3 | 1102021220112100 |
4 | 1031220113112 |
5 | 20202203142 |
6 | 2004102530 |
7 | 334655451 |
oct | 115502726 |
9 | 42256470 |
10 | 20350422 |
11 | 1053a634 |
12 | 6994a46 |
13 | 42a6a91 |
14 | 29ba498 |
15 | 1bbeb4c |
hex | 13685d6 |
20350422 has 12 divisors (see below), whose sum is σ = 44092620. Its totient is φ = 6783468.
The previous prime is 20350417. The next prime is 20350433. The reversal of 20350422 is 22405302.
It is a super-4 number, since 4×203504224 (a number of 30 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1130579 = 20350422 / (2 + 0 + 3 + 5 + 0 + 4 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 20350395 and 20350404.
It is a congruent number.
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 5 ways as a sum of consecutive naturals, for example, 565272 + ... + 565307.
It is an arithmetic number, because the mean of its divisors is an integer number (3674385).
Almost surely, 220350422 is an apocalyptic number.
20350422 is an abundant number, since it is smaller than the sum of its proper divisors (23742198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20350422 is a wasteful number, since it uses less digits than its factorization.
20350422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1130587 (or 1130584 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 20350422 is about 4511.1442007544. The cubic root of 20350422 is about 273.0179113153.
Adding to 20350422 its reverse (22405302), we get a palindrome (42755724).
It can be divided in two parts, 203 and 50422, that added together give a 4-th power (50625 = 154).
The spelling of 20350422 in words is "twenty million, three hundred fifty thousand, four hundred twenty-two".
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