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52786849 = 233226553
BaseRepresentation
bin1100100101011…
…1011010100001
310200022211221111
43021113122201
5102003134344
65123223321
71210452343
oct311273241
9120284844
1052786849
11278845a5
1215817b41
13ac22a2b
147021293
15497a834
hex32576a1

52786849 has 4 divisors (see below), whose sum is σ = 53013636. Its totient is φ = 52560064.

The previous prime is 52786829. The next prime is 52786859. The reversal of 52786849 is 94868725.

52786849 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.

It can be written as a sum of positive squares in 2 ways, for example, as 28462225 + 24324624 = 5335^2 + 4932^2 .

It is a cyclic number.

It is not a de Polignac number, because 52786849 - 213 = 52778657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52786829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113044 + ... + 113509.

It is an arithmetic number, because the mean of its divisors is an integer number (13253409).

Almost surely, 252786849 is an apocalyptic number.

It is an amenable number.

52786849 is a deficient number, since it is larger than the sum of its proper divisors (226787).

52786849 is a wasteful number, since it uses less digits than its factorization.

52786849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226786.

The product of its digits is 967680, while the sum is 49.

The square root of 52786849 is about 7265.4558700745. The cubic root of 52786849 is about 375.1243415814.

It can be divided in two parts, 52786 and 849, that added together give a palindrome (53635).

The spelling of 52786849 in words is "fifty-two million, seven hundred eighty-six thousand, eight hundred forty-nine".

Divisors: 1 233 226553 52786849