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14842131 = 34947377
BaseRepresentation
bin111000100111…
…100100010011
31000221001120120
4320213210103
512244422011
61250041323
7240104343
oct70474423
930831516
1014842131
118418127
124b79243
1330c8835
141d84d23
151482a06
hexe27913

14842131 has 4 divisors (see below), whose sum is σ = 19789512. Its totient is φ = 9894752.

The previous prime is 14842129. The next prime is 14842159. The reversal of 14842131 is 13124841.

14842131 is digitally balanced in base 2 and base 4, because in such bases 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 an emirpimes, since its reverse is a distinct semiprime: 13124841 = 34374947.

It is a cyclic number.

It is not a de Polignac number, because 14842131 - 21 = 14842129 is a prime.

It is a super-2 number, since 2×148421312 = 440577705242322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14842631) 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, 2473686 + ... + 2473691.

It is an arithmetic number, because the mean of its divisors is an integer number (4947378).

Almost surely, 214842131 is an apocalyptic number.

14842131 is a deficient number, since it is larger than the sum of its proper divisors (4947381).

14842131 is an equidigital number, since it uses as much as digits as its factorization.

14842131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947380.

The product of its digits is 768, while the sum is 24.

The square root of 14842131 is about 3852.5486369415. The cubic root of 14842131 is about 245.7529577579.

Adding to 14842131 its reverse (13124841), we get a palindrome (27966972).

The spelling of 14842131 in words is "fourteen million, eight hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 3 4947377 14842131