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14407389 = 34832143
BaseRepresentation
bin110110111101…
…011011011101
31000002222020000
4312331123131
512142014024
61232444513
7233314023
oct66753335
930088200
1014407389
118150537
1249a9739
132ca59a9
141cb0713
1513e8cc9
hexdbd6dd

14407389 has 20 divisors (see below), whose sum is σ = 21791616. Its totient is φ = 9484776.

The previous prime is 14407373. The next prime is 14407411. The reversal of 14407389 is 98370441.

It is a happy number.

It is not a de Polignac number, because 14407389 - 24 = 14407373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14407189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5652 + ... + 7794.

Almost surely, 214407389 is an apocalyptic number.

It is an amenable number.

14407389 is a deficient number, since it is larger than the sum of its proper divisors (7384227).

14407389 is an equidigital number, since it uses as much as digits as its factorization.

14407389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14407389 is about 3795.7066535759. The cubic root of 14407389 is about 243.3296851062.

The spelling of 14407389 in words is "fourteen million, four hundred seven thousand, three hundred eighty-nine".

Divisors: 1 3 9 27 81 83 249 747 2143 2241 6429 6723 19287 57861 173583 177869 533607 1600821 4802463 14407389