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52968761 = 294144549
BaseRepresentation
bin1100101000001…
…1110100111001
310200200002110222
43022003310321
5102030000021
65131145425
71212140606
oct312036471
9120602428
1052968761
112799923a
12158a5275
13ac87781
14706b6ad
1549b46ab
hex3283d39

52968761 has 8 divisors (see below), whose sum is σ = 56133000. Its totient is φ = 49893760.

The previous prime is 52968749. The next prime is 52968791. The reversal of 52968761 is 16786925.

52968761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 319225 + 52649536 = 565^2 + 7256^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52968761 - 26 = 52968697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52968791) 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, 21086 + ... + 23463.

It is an arithmetic number, because the mean of its divisors is an integer number (7016625).

Almost surely, 252968761 is an apocalyptic number.

It is an amenable number.

52968761 is a deficient number, since it is larger than the sum of its proper divisors (3164239).

52968761 is a wasteful number, since it uses less digits than its factorization.

52968761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44619.

The product of its digits is 181440, while the sum is 44.

The square root of 52968761 is about 7277.9640697107. The cubic root of 52968761 is about 375.5547605336.

The spelling of 52968761 in words is "fifty-two million, nine hundred sixty-eight thousand, seven hundred sixty-one".

Divisors: 1 29 41 1189 44549 1291921 1826509 52968761