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86683697 = 1729175829
BaseRepresentation
bin1010010101010…
…11000000110001
320001002222200022
411022223000301
5134142334242
612333533225
72101541102
oct512530061
9201088608
1086683697
1144a26821
1225044215
1314c60639
14b7263a9
1579240d2
hex52ab031

86683697 has 8 divisors (see below), whose sum is σ = 94948200. Its totient is φ = 78770944.

The previous prime is 86683691. The next prime is 86683703. The reversal of 86683697 is 79638668.

It is an interprime number because it is at equal distance from previous prime (86683691) and next prime (86683703).

It can be written as a sum of positive squares in 4 ways, for example, as 2337841 + 84345856 = 1529^2 + 9184^2 .

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 86683697 - 26 = 86683633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86683691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87422 + ... + 88407.

It is an arithmetic number, because the mean of its divisors is an integer number (11868525).

Almost surely, 286683697 is an apocalyptic number.

It is an amenable number.

86683697 is a deficient number, since it is larger than the sum of its proper divisors (8264503).

86683697 is a wasteful number, since it uses less digits than its factorization.

86683697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175875.

The product of its digits is 2612736, while the sum is 53.

The square root of 86683697 is about 9310.4079932085. The cubic root of 86683697 is about 442.5671163371.

The spelling of 86683697 in words is "eighty-six million, six hundred eighty-three thousand, six hundred ninety-seven".

Divisors: 1 17 29 493 175829 2989093 5099041 86683697