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14723139 = 317288689
BaseRepresentation
bin111000001010…
…100001000011
31000201000100110
4320022201003
512232120024
61243322403
7236100414
oct70124103
930630313
1014723139
118346792
124b20403
133086622
141d5380b
15145c629
hexe0a843

14723139 has 8 divisors (see below), whose sum is σ = 20785680. Its totient is φ = 9238016.

The previous prime is 14723113. The next prime is 14723153. The reversal of 14723139 is 93132741.

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 14723139 - 27 = 14723011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14723179) 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, 144294 + ... + 144395.

It is an arithmetic number, because the mean of its divisors is an integer number (2598210).

Almost surely, 214723139 is an apocalyptic number.

14723139 is a deficient number, since it is larger than the sum of its proper divisors (6062541).

14723139 is a wasteful number, since it uses less digits than its factorization.

14723139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288709.

The product of its digits is 4536, while the sum is 30.

The square root of 14723139 is about 3837.0742760598. The cubic root of 14723139 is about 245.0944464410.

The spelling of 14723139 in words is "fourteen million, seven hundred twenty-three thousand, one hundred thirty-nine".

Divisors: 1 3 17 51 288689 866067 4907713 14723139