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11804197 is a prime number
BaseRepresentation
bin101101000001…
…111000100101
3211012201022111
4231001320211
511010213242
61101001021
7202222366
oct55017045
924181274
1011804197
116732739
123b53171
1325a3b42
1417d3b6d
151082817
hexb41e25

11804197 has 2 divisors, whose sum is σ = 11804198. Its totient is φ = 11804196.

The previous prime is 11804183. The next prime is 11804201. The reversal of 11804197 is 79140811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8755681 + 3048516 = 2959^2 + 1746^2 .

It is an emirp because it is prime and its reverse (79140811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11804197 - 219 = 11279909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11804167) 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, 5902098 + 5902099.

It is an arithmetic number, because the mean of its divisors is an integer number (5902099).

Almost surely, 211804197 is an apocalyptic number.

It is an amenable number.

11804197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11804197 is an equidigital number, since it uses as much as digits as its factorization.

11804197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 11804197 is about 3435.7236501209. The cubic root of 11804197 is about 227.6907999639.

The spelling of 11804197 in words is "eleven million, eight hundred four thousand, one hundred ninety-seven".