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52086785 = 511392189
BaseRepresentation
bin1100011010110…
…0100000000001
310122000021122012
43012230200001
5101313234120
65100222305
71201505342
oct306544001
9118007565
1052086785
1127446633
121553a995
13aa391aa
146cbc0c9
15488d1c5
hex31ac801

52086785 has 8 divisors (see below), whose sum is σ = 63057960. Its totient is φ = 41300224.

The previous prime is 52086773. The next prime is 52086817. The reversal of 52086785 is 58768025.

It can be written as a sum of positive squares in 4 ways, for example, as 16129 + 52070656 = 127^2 + 7216^2 .

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-52086785 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45530 + ... + 46659.

It is an arithmetic number, because the mean of its divisors is an integer number (7882245).

Almost surely, 252086785 is an apocalyptic number.

It is an amenable number.

52086785 is a deficient number, since it is larger than the sum of its proper divisors (10971175).

52086785 is a wasteful number, since it uses less digits than its factorization.

52086785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92307.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 52086785 is about 7217.1174993899. The cubic root of 52086785 is about 373.4586451324.

The spelling of 52086785 in words is "fifty-two million, eighty-six thousand, seven hundred eighty-five".

Divisors: 1 5 113 565 92189 460945 10417357 52086785