Search a number
-
+
14640085 = 52928017
BaseRepresentation
bin110111110110…
…001111010101
31000112210102101
4313312033111
512221440320
61241442101
7235303315
oct67661725
930483371
1014640085
11829a349
124aa0331
133057895
141d31445
151442c0a
hexdf63d5

14640085 has 4 divisors (see below), whose sum is σ = 17568108. Its totient is φ = 11712064.

The previous prime is 14640071. The next prime is 14640097. The reversal of 14640085 is 58004641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58004641 = 371567693.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 7890481 = 2598^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 14640085 - 25 = 14640053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464004 + ... + 1464013.

It is an arithmetic number, because the mean of its divisors is an integer number (4392027).

Almost surely, 214640085 is an apocalyptic number.

It is an amenable number.

14640085 is a deficient number, since it is larger than the sum of its proper divisors (2928023).

14640085 is an equidigital number, since it uses as much as digits as its factorization.

14640085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928022.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 14640085 is about 3826.2364014786. The cubic root of 14640085 is about 244.6327135835.

The spelling of 14640085 in words is "fourteen million, six hundred forty thousand, eighty-five".

Divisors: 1 5 2928017 14640085