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52981823 = 1959151313
BaseRepresentation
bin1100101000011…
…1000000111111
310200200202101202
43022013000333
5102030404243
65131330115
71212223646
oct312070077
9120622352
1052981823
11279a8034
12158b093b
13ac906bb
14707235d
1549b84b8
hex328703f

52981823 has 16 divisors (see below), whose sum is σ = 57273600. Its totient is φ = 48859200.

The previous prime is 52981813. The next prime is 52981829. The reversal of 52981823 is 32818925.

52981823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52981823 - 24 = 52981807 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52981829) 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 15 ways as a sum of consecutive naturals, for example, 169115 + ... + 169427.

It is an arithmetic number, because the mean of its divisors is an integer number (3579600).

Almost surely, 252981823 is an apocalyptic number.

52981823 is a deficient number, since it is larger than the sum of its proper divisors (4291777).

52981823 is a wasteful number, since it uses less digits than its factorization.

52981823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 34560, while the sum is 38.

The square root of 52981823 is about 7278.8613807381. The cubic root of 52981823 is about 375.5856283698.

The spelling of 52981823 in words is "fifty-two million, nine hundred eighty-one thousand, eight hundred twenty-three".

Divisors: 1 19 59 151 313 1121 2869 5947 8909 18467 47263 169271 350873 897997 2788517 52981823