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14307289 is a prime number
BaseRepresentation
bin110110100100…
…111111011001
3222220212220121
4312210333121
512130313124
61230353241
7232416133
oct66447731
928825817
1014307289
118092307
12495b821
132c6c269
141c86053
1513c92e4
hexda4fd9

14307289 has 2 divisors, whose sum is σ = 14307290. Its totient is φ = 14307288.

The previous prime is 14307287. The next prime is 14307313. The reversal of 14307289 is 98270341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 1669264 = 3555^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 14307289 - 21 = 14307287 is a prime.

Together with 14307287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14307287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7153644 + 7153645.

It is an arithmetic number, because the mean of its divisors is an integer number (7153645).

Almost surely, 214307289 is an apocalyptic number.

It is an amenable number.

14307289 is a deficient number, since it is larger than the sum of its proper divisors (1).

14307289 is an equidigital number, since it uses as much as digits as its factorization.

14307289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 14307289 is about 3782.4977197614. The cubic root of 14307289 is about 242.7648376678.

The spelling of 14307289 in words is "fourteen million, three hundred seven thousand, two hundred eighty-nine".