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11841409 is a prime number
BaseRepresentation
bin101101001010…
…111110000001
3211021121100201
4231022332001
511012411114
61101445201
7202436026
oct55127601
924247321
1011841409
116758698
123b70801
1325b7a68
14180354d
15108d874
hexb4af81

11841409 has 2 divisors, whose sum is σ = 11841410. Its totient is φ = 11841408.

The previous prime is 11841397. The next prime is 11841421. The reversal of 11841409 is 90414811.

11841409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11841397) and next prime (11841421).

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 2250000 = 3097^2 + 1500^2 .

It is an emirp because it is prime and its reverse (90414811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11841409 - 25 = 11841377 is a prime.

It is not a weakly prime, because it can be changed into another prime (11841439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920704 + 5920705.

It is an arithmetic number, because the mean of its divisors is an integer number (5920705).

Almost surely, 211841409 is an apocalyptic number.

It is an amenable number.

11841409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11841409 is an equidigital number, since it uses as much as digits as its factorization.

11841409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11841409 is about 3441.1348418799. The cubic root of 11841409 is about 227.9298093674.

The spelling of 11841409 in words is "eleven million, eight hundred forty-one thousand, four hundred nine".