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11548081 is a prime number
BaseRepresentation
bin101100000011…
…010110110001
3210201200222201
4230003112301
510424014311
61051303201
7200104606
oct54032661
923650881
1011548081
116578276
123a4ab01
1325143ac
1417686ad
1510319c1
hexb035b1

11548081 has 2 divisors, whose sum is σ = 11548082. Its totient is φ = 11548080.

The previous prime is 11548063. The next prime is 11548099. The reversal of 11548081 is 18084511.

It is a balanced prime because it is at equal distance from previous prime (11548063) and next prime (11548099).

It can be written as a sum of positive squares in only one way, i.e., 8503056 + 3045025 = 2916^2 + 1745^2 .

It is an emirp because it is prime and its reverse (18084511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11548081 - 211 = 11546033 is a prime.

It is a super-2 number, since 2×115480812 = 266716349565122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11548021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5774040 + 5774041.

It is an arithmetic number, because the mean of its divisors is an integer number (5774041).

Almost surely, 211548081 is an apocalyptic number.

It is an amenable number.

11548081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11548081 is an equidigital number, since it uses as much as digits as its factorization.

11548081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 11548081 is about 3398.2467538423. The cubic root of 11548081 is about 226.0320065876.

The spelling of 11548081 in words is "eleven million, five hundred forty-eight thousand, eighty-one".