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11804081 is a prime number
BaseRepresentation
bin101101000001…
…110110110001
3211012201011012
4231001312301
511010212311
61101000305
7202222142
oct55016661
924181135
1011804081
116732643
123b53095
1325a3a83
1417d3ac9
15108278b
hexb41db1

11804081 has 2 divisors, whose sum is σ = 11804082. Its totient is φ = 11804080.

The previous prime is 11804077. The next prime is 11804113. The reversal of 11804081 is 18040811.

11804081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 3964081 = 2800^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 11804081 - 22 = 11804077 is a prime.

It is a super-2 number, since 2×118040812 = 278672656509122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11804021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5902040 + 5902041.

It is an arithmetic number, because the mean of its divisors is an integer number (5902041).

Almost surely, 211804081 is an apocalyptic number.

It is an amenable number.

11804081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11804081 is an equidigital number, since it uses as much as digits as its factorization.

11804081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 11804081 is about 3435.7067686285. The cubic root of 11804081 is about 227.6900541213.

Adding to 11804081 its reverse (18040811), we get a palindrome (29844892).

The spelling of 11804081 in words is "eleven million, eight hundred four thousand, eighty-one".