Base | Representation |
---|---|
bin | 100110111011… |
… | …1000000010010 |
3 | 1102101221210020 |
4 | 1031313000102 |
5 | 20211113021 |
6 | 2005244310 |
7 | 335325333 |
oct | 115670022 |
9 | 42357706 |
10 | 20410386 |
11 | 10580697 |
12 | 6a03696 |
13 | 42c8169 |
14 | 29d428a |
15 | 1bd27c6 |
hex | 1377012 |
20410386 has 8 divisors (see below), whose sum is σ = 40820784. Its totient is φ = 6803460.
The previous prime is 20410363. The next prime is 20410409. The reversal of 20410386 is 68301402.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20410363) and next prime (20410409).
It is a sphenic number, since it is the product of 3 distinct primes.
20410386 is an admirable number.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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 3 ways as a sum of consecutive naturals, for example, 1700860 + ... + 1700871.
It is an arithmetic number, because the mean of its divisors is an integer number (5102598).
Almost surely, 220410386 is an apocalyptic number.
20410386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20410386 is a wasteful number, since it uses less digits than its factorization.
20410386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3401736.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 20410386 is about 4517.7855194774. The cubic root of 20410386 is about 273.2858040829.
Adding to 20410386 its reverse (68301402), we get a palindrome (88711788).
The spelling of 20410386 in words is "twenty million, four hundred ten thousand, three hundred eighty-six".
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