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52243 = 89587
BaseRepresentation
bin1100110000010011
32122122221
430300103
53132433
61041511
7305212
oct146023
978587
1052243
1136284
1226297
131aa19
1415079
151072d
hexcc13

52243 has 4 divisors (see below), whose sum is σ = 52920. Its totient is φ = 51568.

The previous prime is 52237. The next prime is 52249. The reversal of 52243 is 34225.

52243 is nontrivially palindromic in base 9.

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

It is an interprime number because it is at equal distance from previous prime (52237) and next prime (52249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52243 is a prime.

It is a Duffinian number.

52243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (52249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205 + ... + 382.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

252243 is an apocalyptic number.

52243 is a deficient number, since it is larger than the sum of its proper divisors (677).

52243 is an equidigital number, since it uses as much as digits as its factorization.

52243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 240, while the sum is 16.

The square root of 52243 is about 228.5672767480. The cubic root of 52243 is about 37.3831622759.

Subtracting from 52243 its product of digits (240), we obtain a triangular number (52003 = T322).

Adding to 52243 its reverse (34225), we get a palindrome (86468).

It can be divided in two parts, 522 and 43, that added together give a palindrome (565).

The spelling of 52243 in words is "fifty-two thousand, two hundred forty-three".

Divisors: 1 89 587 52243