Base | Representation |
---|---|
bin | 100110110100… |
… | …0010111011110 |
3 | 1102021220112122 |
4 | 1031220113132 |
5 | 20202203210 |
6 | 2004102542 |
7 | 334655462 |
oct | 115502736 |
9 | 42256478 |
10 | 20350430 |
11 | 1053a641 |
12 | 6994a52 |
13 | 42a6a99 |
14 | 29ba4a2 |
15 | 1bbeb55 |
hex | 13685de |
20350430 has 8 divisors (see below), whose sum is σ = 36630792. Its totient is φ = 8140168.
The previous prime is 20350417. The next prime is 20350433. The reversal of 20350430 is 3405302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20350399 and 20350408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20350433) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017512 + ... + 1017531.
It is an arithmetic number, because the mean of its divisors is an integer number (4578849).
Almost surely, 220350430 is an apocalyptic number.
20350430 is a deficient number, since it is larger than the sum of its proper divisors (16280362).
20350430 is a wasteful number, since it uses less digits than its factorization.
20350430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2035050.
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 20350430 is about 4511.1450874473. The cubic root of 20350430 is about 273.0179470908.
Adding to 20350430 its reverse (3405302), we get a palindrome (23755732).
The spelling of 20350430 in words is "twenty million, three hundred fifty thousand, four hundred thirty".
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