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14330431 = 58724413
BaseRepresentation
bin110110101010…
…101000111111
3222222001122201
4312222220333
512132033211
61231052331
7232543453
oct66525077
928861581
1014330431
1180a8735
1249710a7
132c7995b
141c90663
1513d10c1
hexdaaa3f

14330431 has 4 divisors (see below), whose sum is σ = 14355432. Its totient is φ = 14305432.

The previous prime is 14330417. The next prime is 14330447. The reversal of 14330431 is 13403341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14330431 - 25 = 14330399 is a prime.

It is a super-2 number, since 2×143304312 = 410722505291522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14330399 and 14330408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14330461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11620 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (3588858).

Almost surely, 214330431 is an apocalyptic number.

14330431 is a deficient number, since it is larger than the sum of its proper divisors (25001).

14330431 is an equidigital number, since it uses as much as digits as its factorization.

14330431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 14330431 is about 3785.5555734925. Note that the first 4 decimals coincide. The cubic root of 14330431 is about 242.8956576418.

Adding to 14330431 its reverse (13403341), we get a palindrome (27733772).

The spelling of 14330431 in words is "fourteen million, three hundred thirty thousand, four hundred thirty-one".

Divisors: 1 587 24413 14330431