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14249791 = 1719157281
BaseRepresentation
bin110110010110…
…111100111111
3222210222001001
4312112330333
512121443131
61225231131
7232056403
oct66267477
928728031
1014249791
118053096
1249324a7
132c4c03a
141c6d103
1513b7261
hexd96f3f

14249791 has 16 divisors (see below), whose sum is σ = 16040160. Its totient is φ = 12579840.

The previous prime is 14249777. The next prime is 14249797. The reversal of 14249791 is 19794241.

14249791 is a nontrivial binomial coefficient, being equal to C(5339, 2).

It is a cyclic number.

It is not a de Polignac number, because 14249791 - 221 = 12152639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14249791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14249797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50571 + ... + 50851.

It is an arithmetic number, because the mean of its divisors is an integer number (1002510).

Almost surely, 214249791 is an apocalyptic number.

14249791 is the 5338-th triangular number.

14249791 is the 1780-th centered nonagonal number.

14249791 is a deficient number, since it is larger than the sum of its proper divisors (1790369).

14249791 is a wasteful number, since it uses less digits than its factorization.

14249791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 18144, while the sum is 37.

The square root of 14249791 is about 3774.8895348076. The cubic root of 14249791 is about 242.4391940221.

The spelling of 14249791 in words is "fourteen million, two hundred forty-nine thousand, seven hundred ninety-one".

Divisors: 1 17 19 157 281 323 2669 2983 4777 5339 44117 50711 90763 749989 838223 14249791