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52849481 = 173108793
BaseRepresentation
bin1100100110011…
…0101101001001
310200110000212012
43021212231021
5102012140411
65124425305
71211133056
oct311465511
9120400765
1052849481
1127917663
1215848235
13ac453a9
14703a02d
15498e18b
hex3266b49

52849481 has 4 divisors (see below), whose sum is σ = 55958292. Its totient is φ = 49740672.

The previous prime is 52849477. The next prime is 52849483. The reversal of 52849481 is 18494825.

52849481 = 51402 + 51412.

52849481 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 26429881 + 26419600 = 5141^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 52849481 - 22 = 52849477 is a prime.

It is a super-2 number, since 2×528494812 = 5586135283938722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52849483) 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, 1554380 + ... + 1554413.

It is an arithmetic number, because the mean of its divisors is an integer number (13989573).

Almost surely, 252849481 is an apocalyptic number.

52849481 is the 5141-st centered square number.

It is an amenable number.

52849481 is a deficient number, since it is larger than the sum of its proper divisors (3108811).

52849481 is a wasteful number, since it uses less digits than its factorization.

52849481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108810.

The product of its digits is 92160, while the sum is 41.

The square root of 52849481 is about 7269.7648517679. The cubic root of 52849481 is about 375.2726455755.

The spelling of 52849481 in words is "fifty-two million, eight hundred forty-nine thousand, four hundred eighty-one".

Divisors: 1 17 3108793 52849481