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14288471 is a prime number
BaseRepresentation
bin110110100000…
…011001010111
3222212221002122
4312200121113
512124212341
61230130155
7232310231
oct66403127
928787078
1014288471
11807a15a
12495095b
132c63822
141c7d251
1513c394b
hexda0657

14288471 has 2 divisors, whose sum is σ = 14288472. Its totient is φ = 14288470.

The previous prime is 14288467. The next prime is 14288479. The reversal of 14288471 is 17488241.

14288471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (17488241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14288471 - 22 = 14288467 is a prime.

It is a super-3 number, since 3×142884713 (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14288479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7144235 + 7144236.

It is an arithmetic number, because the mean of its divisors is an integer number (7144236).

Almost surely, 214288471 is an apocalyptic number.

14288471 is the 2021-st centered heptagonal number.

14288471 is a deficient number, since it is larger than the sum of its proper divisors (1).

14288471 is an equidigital number, since it uses as much as digits as its factorization.

14288471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 35.

The square root of 14288471 is about 3780.0093915227. The cubic root of 14288471 is about 242.6583569069.

The spelling of 14288471 in words is "fourteen million, two hundred eighty-eight thousand, four hundred seventy-one".