Search a number
-
+
14828909 = 67221327
BaseRepresentation
bin111000100100…
…010101101101
31000220101102212
4320210111231
512244011114
61245500205
7240020654
oct70442555
930811385
1014828909
1184091a7
124b71665
1330c2804
141d8019b
15147db3e
hexe2456d

14828909 has 4 divisors (see below), whose sum is σ = 15050304. Its totient is φ = 14607516.

The previous prime is 14828903. The next prime is 14828953. The reversal of 14828909 is 90982841.

14828909 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90982841 = 869910459.

It is a cyclic number.

It is not a de Polignac number, because 14828909 - 24 = 14828893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14828903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110597 + ... + 110730.

It is an arithmetic number, because the mean of its divisors is an integer number (3762576).

Almost surely, 214828909 is an apocalyptic number.

It is an amenable number.

14828909 is a deficient number, since it is larger than the sum of its proper divisors (221395).

14828909 is an equidigital number, since it uses as much as digits as its factorization.

14828909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221394.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 14828909 is about 3850.8322477096. The cubic root of 14828909 is about 245.6799603568.

The spelling of 14828909 in words is "fourteen million, eight hundred twenty-eight thousand, nine hundred nine".

Divisors: 1 67 221327 14828909