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52493 = 77499
BaseRepresentation
bin1100110100001101
32200000012
430310031
53134433
61043005
7306020
oct146415
980005
1052493
1136491
1226465
131ab7c
14151b7
1510848
hexcd0d

52493 has 4 divisors (see below), whose sum is σ = 60000. Its totient is φ = 44988.

The previous prime is 52489. The next prime is 52501. The reversal of 52493 is 39425.

It can be divided in two parts, 52 and 493, that added together give a palindrome (545).

52493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52493 - 22 = 52489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 52493.

It is not an unprimeable number, because it can be changed into a prime (52433) 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, 3743 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (15000).

52493 is a Friedman number, since it can be written as 5+9^4*2^3, using all its digits and the basic arithmetic operations.

252493 is an apocalyptic number.

It is an amenable number.

52493 is a deficient number, since it is larger than the sum of its proper divisors (7507).

52493 is an equidigital number, since it uses as much as digits as its factorization.

52493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506.

The product of its digits is 1080, while the sum is 23.

The square root of 52493 is about 229.1135089863. The cubic root of 52493 is about 37.4426976683.

The spelling of 52493 in words is "fifty-two thousand, four hundred ninety-three".

Divisors: 1 7 7499 52493