Search a number
-
+
14727969 = 322973773
BaseRepresentation
bin111000001011…
…101100100001
31000201020222100
4320023230201
512232243334
61243401013
7236120454
oct70135441
930636870
1014727969
11834a383
124b23169
133088899
141d5549b
15145dc99
hexe0bb21

14727969 has 24 divisors (see below), whose sum is σ = 22337640. Its totient is φ = 9338112.

The previous prime is 14727953. The next prime is 14727989. The reversal of 14727969 is 96972741.

It can be written as a sum of positive squares in 4 ways, for example, as 439569 + 14288400 = 663^2 + 3780^2 .

It is not a de Polignac number, because 14727969 - 24 = 14727953 is a prime.

It is a super-2 number, since 2×147279692 = 433826141729922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14727949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18667 + ... + 19439.

It is an arithmetic number, because the mean of its divisors is an integer number (930735).

Almost surely, 214727969 is an apocalyptic number.

It is an amenable number.

14727969 is a deficient number, since it is larger than the sum of its proper divisors (7609671).

14727969 is a wasteful number, since it uses less digits than its factorization.

14727969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 14727969 is about 3837.7036102336. The cubic root of 14727969 is about 245.1212450005.

The spelling of 14727969 in words is "fourteen million, seven hundred twenty-seven thousand, nine hundred sixty-nine".

Divisors: 1 3 9 29 73 87 219 261 657 773 2117 2319 6351 6957 19053 22417 56429 67251 169287 201753 507861 1636441 4909323 14727969