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14728345 = 52945669
BaseRepresentation
bin111000001011…
…110010011001
31000201021111021
4320023302121
512232301340
61243402441
7236121532
oct70136231
930637437
1014728345
11834a695
124b23421
133088ac8
141d55689
15145de4a
hexe0bc99

14728345 has 4 divisors (see below), whose sum is σ = 17674020. Its totient is φ = 11782672.

The previous prime is 14728339. The next prime is 14728361. The reversal of 14728345 is 54382741.

14728345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5583769 + 9144576 = 2363^2 + 3024^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728345 - 25 = 14728313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14728345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472830 + ... + 1472839.

It is an arithmetic number, because the mean of its divisors is an integer number (4418505).

Almost surely, 214728345 is an apocalyptic number.

It is an amenable number.

14728345 is a deficient number, since it is larger than the sum of its proper divisors (2945675).

14728345 is an equidigital number, since it uses as much as digits as its factorization.

14728345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945674.

The product of its digits is 26880, while the sum is 34.

The square root of 14728345 is about 3837.7525975498. The cubic root of 14728345 is about 245.1233309365.

The spelling of 14728345 in words is "fourteen million, seven hundred twenty-eight thousand, three hundred forty-five".

Divisors: 1 5 2945669 14728345