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14239823 = 136471693
BaseRepresentation
bin110110010100…
…100001001111
3222210110100212
4312110201033
512121133243
61225113035
7232015343
oct66244117
928713325
1014239823
118046654
12492877b
132c47640
141c69623
1513b4318
hexd9484f

14239823 has 8 divisors (see below), whose sum is σ = 15367968. Its totient is φ = 13116384.

The previous prime is 14239817. The next prime is 14239847. The reversal of 14239823 is 32893241.

It is a happy number.

14239823 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 a cyclic number.

It is not a de Polignac number, because 14239823 - 24 = 14239807 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 14239823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14239123) 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, 7565 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (1920996).

Almost surely, 214239823 is an apocalyptic number.

14239823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

14239823 is a deficient number, since it is larger than the sum of its proper divisors (1128145).

14239823 is a wasteful number, since it uses less digits than its factorization.

14239823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353.

The product of its digits is 10368, while the sum is 32.

The square root of 14239823 is about 3773.5690002967. The cubic root of 14239823 is about 242.3826505589.

The spelling of 14239823 in words is "fourteen million, two hundred thirty-nine thousand, eight hundred twenty-three".

Divisors: 1 13 647 1693 8411 22009 1095371 14239823