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52052243 = 232263141
BaseRepresentation
bin1100011010010…
…0000100010011
310121221112020212
43012210010103
5101311132433
65055354335
71201302545
oct306440423
9117845225
1052052243
1127422691
12155229ab
13aa26559
146cad695
154882d48
hex31a4113

52052243 has 4 divisors (see below), whose sum is σ = 54315408. Its totient is φ = 49789080.

The previous prime is 52052227. The next prime is 52052261. The reversal of 52052243 is 34225025.

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

It is a cyclic number.

It is not a de Polignac number, because 52052243 - 24 = 52052227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2263141 = 52052243 / (5 + 2 + 0 + 5 + 2 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52052843) 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, 1131548 + ... + 1131593.

It is an arithmetic number, because the mean of its divisors is an integer number (13578852).

Almost surely, 252052243 is an apocalyptic number.

52052243 is a deficient number, since it is larger than the sum of its proper divisors (2263165).

52052243 is a wasteful number, since it uses less digits than its factorization.

52052243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263164.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52052243 is about 7214.7240418466. The cubic root of 52052243 is about 373.3760722932.

Adding to 52052243 its reverse (34225025), we get a palindrome (86277268).

The spelling of 52052243 in words is "fifty-two million, fifty-two thousand, two hundred forty-three".

Divisors: 1 23 2263141 52052243