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52727149 = 173101597
BaseRepresentation
bin1100100100100…
…0110101101101
310200012211001101
43021020311231
5101444232044
65122043101
71210113316
oct311106555
9120184041
1052727149
1127843762
12157a9491
13ac017c7
14700760d
154967cd4
hex3248d6d

52727149 has 4 divisors (see below), whose sum is σ = 55828764. Its totient is φ = 49625536.

The previous prime is 52727131. The next prime is 52727153. The reversal of 52727149 is 94172725.

52727149 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 37124649 + 15602500 = 6093^2 + 3950^2 .

It is a cyclic number.

It is not a de Polignac number, because 52727149 - 29 = 52726637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52727449) 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, 1550782 + ... + 1550815.

It is an arithmetic number, because the mean of its divisors is an integer number (13957191).

Almost surely, 252727149 is an apocalyptic number.

It is an amenable number.

52727149 is a deficient number, since it is larger than the sum of its proper divisors (3101615).

52727149 is a wasteful number, since it uses less digits than its factorization.

52727149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101614.

The product of its digits is 35280, while the sum is 37.

The square root of 52727149 is about 7261.3462250467. The cubic root of 52727149 is about 374.9828709213.

It can be divided in two parts, 5272 and 7149, that added together give a palindrome (12421).

The spelling of 52727149 in words is "fifty-two million, seven hundred twenty-seven thousand, one hundred forty-nine".

Divisors: 1 17 3101597 52727149