Search a number
-
+
20110241 is a prime number
BaseRepresentation
bin100110010110…
…1101110100001
31101211201001202
41030231232201
520122011431
61555010545
7332635304
oct114555641
941751052
1020110241
1110396138
126899a55
134221668
142956b3b
151b738cb
hex132dba1

20110241 has 2 divisors, whose sum is σ = 20110242. Its totient is φ = 20110240.

The previous prime is 20110231. The next prime is 20110243. The reversal of 20110241 is 14201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 1274641 = 4340^2 + 1129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20110241 is a prime.

It is a Sophie Germain prime.

Together with 20110243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20110243) 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 as a sum of consecutive naturals, namely, 10055120 + 10055121.

It is an arithmetic number, because the mean of its divisors is an integer number (10055121).

Almost surely, 220110241 is an apocalyptic number.

It is an amenable number.

20110241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110241 is an equidigital number, since it uses as much as digits as its factorization.

20110241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 20110241 is about 4484.4443357009. Note that the first 3 decimals coincide. The cubic root of 20110241 is about 271.9395816281.

Adding to 20110241 its reverse (14201102), we get a palindrome (34311343).

The spelling of 20110241 in words is "twenty million, one hundred ten thousand, two hundred forty-one".