Search a number
-
+
14281893 = 33836373
BaseRepresentation
bin110110011110…
…110010100101
3222212121002000
4312132302211
512124010033
61230035513
7232252113
oct66366245
928777060
1014281893
11807521a
124948b99
132c60832
141c7aab3
1513c1a13
hexd9eca5

14281893 has 16 divisors (see below), whose sum is σ = 21416640. Its totient is φ = 9405072.

The previous prime is 14281849. The next prime is 14281907. The reversal of 14281893 is 39818241.

It is not a de Polignac number, because 14281893 - 28 = 14281637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14281823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 5427.

It is an arithmetic number, because the mean of its divisors is an integer number (1338540).

Almost surely, 214281893 is an apocalyptic number.

It is an amenable number.

14281893 is a deficient number, since it is larger than the sum of its proper divisors (7134747).

14281893 is an equidigital number, since it uses as much as digits as its factorization.

14281893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465 (or 6459 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14281893 is about 3779.1391876987. The cubic root of 14281893 is about 242.6211135545.

It can be divided in two parts, 1428 and 1893, that added together give a triangular number (3321 = T81).

The spelling of 14281893 in words is "fourteen million, two hundred eighty-one thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 83 249 747 2241 6373 19119 57357 172071 528959 1586877 4760631 14281893