Search a number
-
+
14424981 = 34808327
BaseRepresentation
bin110111000001…
…101110010101
31000010212100120
4313001232111
512143044411
61233102153
7233416224
oct67015625
930125316
1014424981
11816277a
1249b7959
132cb09bc
141cb6cbb
1513ee106
hexdc1b95

14424981 has 4 divisors (see below), whose sum is σ = 19233312. Its totient is φ = 9616652.

The previous prime is 14424973. The next prime is 14424983. The reversal of 14424981 is 18942441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14424981 - 23 = 14424973 is a prime.

It is a super-2 number, since 2×144249812 = 416160153700722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14424983) 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 3 ways as a sum of consecutive naturals, for example, 2404161 + ... + 2404166.

It is an arithmetic number, because the mean of its divisors is an integer number (4808328).

Almost surely, 214424981 is an apocalyptic number.

It is an amenable number.

14424981 is a deficient number, since it is larger than the sum of its proper divisors (4808331).

14424981 is an equidigital number, since it uses as much as digits as its factorization.

14424981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808330.

The product of its digits is 9216, while the sum is 33.

The square root of 14424981 is about 3798.0233016663. The cubic root of 14424981 is about 243.4286832595.

Subtracting from 14424981 its product of digits (9216), we obtain a triangular number (14415765 = T5369).

The spelling of 14424981 in words is "fourteen million, four hundred twenty-four thousand, nine hundred eighty-one".

Divisors: 1 3 4808327 14424981