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14288331 = 34762777
BaseRepresentation
bin110110100000…
…010111001011
3222212220220110
4312200113023
512124211311
61230125403
7232306641
oct66402713
928786813
1014288331
11807a042
124950863
132c63745
141c7d191
1513c38a6
hexda05cb

14288331 has 4 divisors (see below), whose sum is σ = 19051112. Its totient is φ = 9525552.

The previous prime is 14288299. The next prime is 14288333. The reversal of 14288331 is 13388241.

14288331 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14288331 - 25 = 14288299 is a prime.

It is a super-2 number, since 2×142883312 = 408312805531122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14288333) 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, 2381386 + ... + 2381391.

It is an arithmetic number, because the mean of its divisors is an integer number (4762778).

Almost surely, 214288331 is an apocalyptic number.

14288331 is a deficient number, since it is larger than the sum of its proper divisors (4762781).

14288331 is an equidigital number, since it uses as much as digits as its factorization.

14288331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762780.

The product of its digits is 4608, while the sum is 30.

The square root of 14288331 is about 3779.9908730049. The cubic root of 14288331 is about 242.6575643733.

The spelling of 14288331 in words is "fourteen million, two hundred eighty-eight thousand, three hundred thirty-one".

Divisors: 1 3 4762777 14288331