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11306081 is a prime number
BaseRepresentation
bin101011001000…
…010001100001
3210021102000202
4223020101201
510343243311
61042154545
7165046223
oct53102141
923242022
1011306081
116422476
123952a55
13245b1b7
141704413
15ed4e3b
hexac8461

11306081 has 2 divisors, whose sum is σ = 11306082. Its totient is φ = 11306080.

The previous prime is 11306077. The next prime is 11306089. The reversal of 11306081 is 18060311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 1123600 = 3191^2 + 1060^2 .

It is an emirp because it is prime and its reverse (18060311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11306081 - 22 = 11306077 is a prime.

It is a super-2 number, since 2×113060812 = 255654935157122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11306089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5653040 + 5653041.

It is an arithmetic number, because the mean of its divisors is an integer number (5653041).

Almost surely, 211306081 is an apocalyptic number.

It is an amenable number.

11306081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11306081 is an equidigital number, since it uses as much as digits as its factorization.

11306081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11306081 is about 3362.4516353399. The cubic root of 11306081 is about 224.4419487373.

Adding to 11306081 its reverse (18060311), we get a palindrome (29366392).

The spelling of 11306081 in words is "eleven million, three hundred six thousand, eighty-one".