Search a number
-
+
13814427 = 3113831093
BaseRepresentation
bin110100101100…
…101010011011
3221222211211110
4310230222123
512014030202
61212031403
7225264204
oct64545233
927884743
1013814427
117885a90
124762563
132b28b23
141b985ab
15132d26c
hexd2ca9b

13814427 has 16 divisors (see below), whose sum is σ = 20164608. Its totient is φ = 8342880.

The previous prime is 13814419. The next prime is 13814441. The reversal of 13814427 is 72441831.

It is not a de Polignac number, because 13814427 - 23 = 13814419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13814394 and 13814403.

It is not an unprimeable number, because it can be changed into a prime (13814497) 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 15 ways as a sum of consecutive naturals, for example, 12093 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (1260288).

Almost surely, 213814427 is an apocalyptic number.

13814427 is a deficient number, since it is larger than the sum of its proper divisors (6350181).

13814427 is a wasteful number, since it uses less digits than its factorization.

13814427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its digits is 5376, while the sum is 30.

The square root of 13814427 is about 3716.7764258831. The cubic root of 13814427 is about 239.9445879017.

It can be divided in two parts, 13814 and 427, that added together give a palindrome (14241).

The spelling of 13814427 in words is "thirteen million, eight hundred fourteen thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 383 1093 1149 3279 4213 12023 12639 36069 418619 1255857 4604809 13814427