Base | Representation |
---|---|
bin | 100110011101… |
… | …0000100111011 |
3 | 1101221021110022 |
4 | 1030322010323 |
5 | 20130121302 |
6 | 2000041055 |
7 | 333235631 |
oct | 114720473 |
9 | 41837408 |
10 | 20160827 |
11 | 10420145 |
12 | 690318b |
13 | 423b6ab |
14 | 296b351 |
15 | 1b838a2 |
hex | 133a13b |
20160827 has 4 divisors (see below), whose sum is σ = 21346776. Its totient is φ = 18974880.
The previous prime is 20160821. The next prime is 20160859. The reversal of 20160827 is 72806102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20160827 - 220 = 19112251 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20160796 and 20160805.
It is not an unprimeable number, because it can be changed into a prime (20160821) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 592949 + ... + 592982.
It is an arithmetic number, because the mean of its divisors is an integer number (5336694).
Almost surely, 220160827 is an apocalyptic number.
20160827 is a deficient number, since it is larger than the sum of its proper divisors (1185949).
20160827 is a wasteful number, since it uses less digits than its factorization.
20160827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1185948.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 20160827 is about 4490.0809569539. The cubic root of 20160827 is about 272.1674061376.
Adding to 20160827 its reverse (72806102), we get a palindrome (92966929).
The spelling of 20160827 in words is "twenty million, one hundred sixty thousand, eight hundred twenty-seven".
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