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52724987 = 7291791451
BaseRepresentation
bin1100100100100…
…0010011111011
310200012201002022
43021020103323
5101444144422
65122025055
71210104110
oct311102373
9120181068
1052724987
1127842077
12157a818b
13ac00823
147006907
154967342
hex32484fb

52724987 has 16 divisors (see below), whose sum is σ = 62726400. Its totient is φ = 43360800.

The previous prime is 52724953. The next prime is 52725059. The reversal of 52724987 is 78942725.

52724987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52724987 - 222 = 48530683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52724887) 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, 35612 + ... + 37062.

It is an arithmetic number, because the mean of its divisors is an integer number (3920400).

Almost surely, 252724987 is an apocalyptic number.

52724987 is a deficient number, since it is larger than the sum of its proper divisors (10001413).

52724987 is a wasteful number, since it uses less digits than its factorization.

52724987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 282240, while the sum is 44.

The square root of 52724987 is about 7261.1973530541. The cubic root of 52724987 is about 374.9777456423.

The spelling of 52724987 in words is "fifty-two million, seven hundred twenty-four thousand, nine hundred eighty-seven".

Divisors: 1 7 29 179 203 1253 1451 5191 10157 36337 42079 259729 294553 1818103 7532141 52724987