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52686071 = 732692683
BaseRepresentation
bin1100100011111…
…0110011110111
310200010201200222
43020332303313
5101441423241
65121124555
71206552464
oct310766367
9120121628
1052686071
1127815909
121578975b
13abb8bb9
146dd666b
15495aa4b
hex323ecf7

52686071 has 8 divisors (see below), whose sum is σ = 53626320. Its totient is φ = 51751872.

The previous prime is 52686061. The next prime is 52686079. The reversal of 52686071 is 17068625.

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-52686071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52686079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18296 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (6703290).

Almost surely, 252686071 is an apocalyptic number.

52686071 is a deficient number, since it is larger than the sum of its proper divisors (940249).

52686071 is a wasteful number, since it uses less digits than its factorization.

52686071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 52686071 is about 7258.5171350628. The cubic root of 52686071 is about 374.8854666522.

The spelling of 52686071 in words is "fifty-two million, six hundred eighty-six thousand, seventy-one".

Divisors: 1 73 269 2683 19637 195859 721727 52686071