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14323431 = 34774477
BaseRepresentation
bin110110101000…
…111011100111
3222221201001110
4312220323213
512131322211
61231000103
7232514163
oct66507347
928851043
1014323431
1180a3451
124969033
132c76705
141c8bca3
1513cdea6
hexda8ee7

14323431 has 4 divisors (see below), whose sum is σ = 19097912. Its totient is φ = 9548952.

The previous prime is 14323427. The next prime is 14323433. The reversal of 14323431 is 13432341.

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

It is not a de Polignac number, because 14323431 - 22 = 14323427 is a prime.

It is a super-2 number, since 2×143234312 = 410321351223522, 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 = 14323398 and 14323407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14323433) 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, 2387236 + ... + 2387241.

It is an arithmetic number, because the mean of its divisors is an integer number (4774478).

Almost surely, 214323431 is an apocalyptic number.

14323431 is a deficient number, since it is larger than the sum of its proper divisors (4774481).

14323431 is an equidigital number, since it uses as much as digits as its factorization.

14323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774480.

The product of its digits is 864, while the sum is 21.

The square root of 14323431 is about 3784.6308934954. The cubic root of 14323431 is about 242.8561020387.

Adding to 14323431 its reverse (13432341), we get a palindrome (27755772).

The spelling of 14323431 in words is "fourteen million, three hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 4774477 14323431