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52766387 = 181401727
BaseRepresentation
bin1100100101001…
…0011010110011
310200021210212122
43021102122303
5102002011022
65122544455
71210335602
oct311223263
9120253778
1052766387
1127870193
121580812b
13ac1661b
147017a39
154974742
hex32526b3

52766387 has 8 divisors (see below), whose sum is σ = 53263392. Its totient is φ = 52272000.

The previous prime is 52766381. The next prime is 52766411. The reversal of 52766387 is 78366725.

52766387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52766387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52766381) 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 7 ways as a sum of consecutive naturals, for example, 72218 + ... + 72944.

It is an arithmetic number, because the mean of its divisors is an integer number (6657924).

Almost surely, 252766387 is an apocalyptic number.

52766387 is a deficient number, since it is larger than the sum of its proper divisors (497005).

52766387 is a wasteful number, since it uses less digits than its factorization.

52766387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its digits is 423360, while the sum is 44.

The square root of 52766387 is about 7264.0475631703. The cubic root of 52766387 is about 375.0758649473.

The spelling of 52766387 in words is "fifty-two million, seven hundred sixty-six thousand, three hundred eighty-seven".

Divisors: 1 181 401 727 72581 131587 291527 52766387