Search a number
-
+
14528081 = 17854593
BaseRepresentation
bin110111011010…
…111001010001
31000100002210002
4313122321101
512204344311
61235215345
7234325631
oct67327121
930302702
1014528081
118223187
124a47555
1330188c9
141d026c1
15141e93b
hexddae51

14528081 has 4 divisors (see below), whose sum is σ = 15382692. Its totient is φ = 13673472.

The previous prime is 14528077. The next prime is 14528083. The reversal of 14528081 is 18082541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10857025 + 3671056 = 3295^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 14528081 - 22 = 14528077 is a prime.

It is a super-2 number, since 2×145280812 = 422130275085122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14528083) 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, 427280 + ... + 427313.

It is an arithmetic number, because the mean of its divisors is an integer number (3845673).

Almost surely, 214528081 is an apocalyptic number.

It is an amenable number.

14528081 is a deficient number, since it is larger than the sum of its proper divisors (854611).

14528081 is an equidigital number, since it uses as much as digits as its factorization.

14528081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854610.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 14528081 is about 3811.5719854149. The cubic root of 14528081 is about 244.0072614967.

The spelling of 14528081 in words is "fourteen million, five hundred twenty-eight thousand, eighty-one".

Divisors: 1 17 854593 14528081