Search a number
-
+
14428238 = 2113671787
BaseRepresentation
bin110111000010…
…100001001110
31000011000211012
4313002201032
512143200423
61233125222
7233431556
oct67024116
930130735
1014428238
118165170
1249b9812
132cb2326
141cb8166
151400078
hexdc284e

14428238 has 16 divisors (see below), whose sum is σ = 23687424. Its totient is φ = 6536760.

The previous prime is 14428229. The next prime is 14428241. The reversal of 14428238 is 83282441.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (1480464).

Almost surely, 214428238 is an apocalyptic number.

14428238 is a deficient number, since it is larger than the sum of its proper divisors (9259186).

14428238 is a wasteful number, since it uses less digits than its factorization.

14428238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 12288, while the sum is 32.

The square root of 14428238 is about 3798.4520531395. The cubic root of 14428238 is about 243.4470030423.

It can be divided in two parts, 144 and 28238, that added together give a palindrome (28382).

The spelling of 14428238 in words is "fourteen million, four hundred twenty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 367 734 1787 3574 4037 8074 19657 39314 655829 1311658 7214119 14428238