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14102909 is a prime number
BaseRepresentation
bin110101110011…
…000101111101
3222112111112222
4311303011331
512102243114
61222135125
7230605232
oct65630575
928474488
1014102909
117a627a7
1248814a5
132bca222
141c31789
15138898e
hexd7317d

14102909 has 2 divisors, whose sum is σ = 14102910. Its totient is φ = 14102908.

The previous prime is 14102899. The next prime is 14102939. The reversal of 14102909 is 90920141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 1747684 = 3515^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 14102909 - 28 = 14102653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14102939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7051454 + 7051455.

It is an arithmetic number, because the mean of its divisors is an integer number (7051455).

Almost surely, 214102909 is an apocalyptic number.

It is an amenable number.

14102909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14102909 is an equidigital number, since it uses as much as digits as its factorization.

14102909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 14102909 is about 3755.3840016701. The cubic root of 14102909 is about 241.6033218572.

The spelling of 14102909 in words is "fourteen million, one hundred two thousand, nine hundred nine".