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14243209 = 471791693
BaseRepresentation
bin110110010101…
…010110001001
3222210122000021
4312111112021
512121240314
61225140441
7232031251
oct66252611
928718007
1014243209
118049152
12492a721
132c49046
141c6a961
1513b5324
hexd95589

14243209 has 8 divisors (see below), whose sum is σ = 14636160. Its totient is φ = 13854096.

The previous prime is 14243183. The next prime is 14243213. The reversal of 14243209 is 90234241.

14243209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14243209 - 27 = 14243081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14240209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7567 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 214243209 is an apocalyptic number.

It is an amenable number.

14243209 is a deficient number, since it is larger than the sum of its proper divisors (392951).

14243209 is a wasteful number, since it uses less digits than its factorization.

14243209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 14243209 is about 3774.0176205206. The cubic root of 14243209 is about 242.4018605967.

The spelling of 14243209 in words is "fourteen million, two hundred forty-three thousand, two hundred nine".

Divisors: 1 47 179 1693 8413 79571 303047 14243209