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11830409 is a prime number
BaseRepresentation
bin101101001000…
…010010001001
3211021001021022
4231020102021
511012033114
61101322225
7202361663
oct55102211
924231238
1011830409
1167503a8
123b66375
1325b2a56
1417dd533
15108a48e
hexb48489

11830409 has 2 divisors, whose sum is σ = 11830410. Its totient is φ = 11830408.

The previous prime is 11830387. The next prime is 11830439. The reversal of 11830409 is 90403811.

11830409 is digitally balanced in base 3, 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., 11580409 + 250000 = 3403^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11830409 - 216 = 11764873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11830439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915204 + 5915205.

It is an arithmetic number, because the mean of its divisors is an integer number (5915205).

Almost surely, 211830409 is an apocalyptic number.

It is an amenable number.

11830409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11830409 is an equidigital number, since it uses as much as digits as its factorization.

11830409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11830409 is about 3439.5361605891. The cubic root of 11830409 is about 227.8592095297.

The spelling of 11830409 in words is "eleven million, eight hundred thirty thousand, four hundred nine".