Search a number
-
+
11814161 is a prime number
BaseRepresentation
bin101101000100…
…010100010001
3211020012222112
4231010110101
511011023121
61101115105
7202263422
oct55042421
924205875
1011814161
11673a177
123b58a95
1325a8538
1417d7649
15108575b
hexb44511

11814161 has 2 divisors, whose sum is σ = 11814162. Its totient is φ = 11814160.

The previous prime is 11814151. The next prime is 11814163. The reversal of 11814161 is 16141811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10923025 + 891136 = 3305^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 11814161 - 218 = 11552017 is a prime.

Together with 11814163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11814163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5907080 + 5907081.

It is an arithmetic number, because the mean of its divisors is an integer number (5907081).

Almost surely, 211814161 is an apocalyptic number.

It is an amenable number.

11814161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11814161 is an equidigital number, since it uses as much as digits as its factorization.

11814161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 23.

The square root of 11814161 is about 3437.1734026668. The cubic root of 11814161 is about 227.7548470449.

Adding to 11814161 its reverse (16141811), we get a palindrome (27955972).

The spelling of 11814161 in words is "eleven million, eight hundred fourteen thousand, one hundred sixty-one".