Search a number
-
+
14728649 = 133113643
BaseRepresentation
bin111000001011…
…110111001001
31000201021220112
4320023313021
512232304044
61243404105
7236122445
oct70136711
930637815
1014728649
11834a941
124b23635
133088ca0
141d55825
15145e09e
hexe0bdc9

14728649 has 8 divisors (see below), whose sum is σ = 15916992. Its totient is φ = 13548240.

The previous prime is 14728639. The next prime is 14728663. The reversal of 14728649 is 94682741.

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 14728649 - 28 = 14728393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14728619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 5864.

It is an arithmetic number, because the mean of its divisors is an integer number (1989624).

Almost surely, 214728649 is an apocalyptic number.

It is an amenable number.

14728649 is a deficient number, since it is larger than the sum of its proper divisors (1188343).

14728649 is a wasteful number, since it uses less digits than its factorization.

14728649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its digits is 96768, while the sum is 41.

The square root of 14728649 is about 3837.7922038589. The cubic root of 14728649 is about 245.1250174120.

The spelling of 14728649 in words is "fourteen million, seven hundred twenty-eight thousand, six hundred forty-nine".

Divisors: 1 13 311 3643 4043 47359 1132973 14728649