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86695423 = 194562917
BaseRepresentation
bin1010010101011…
…01110111111111
320001010120202121
411022231313333
5134143223143
612334103411
72101620223
oct512556777
9201116677
1086695423
1144a34611
122504ab67
1314c65a89
14b72a783
1579277ed
hex52addff

86695423 has 4 divisors (see below), whose sum is σ = 91258360. Its totient is φ = 82132488.

The previous prime is 86695417. The next prime is 86695463. The reversal of 86695423 is 32459668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86695423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86695423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86695463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281440 + ... + 2281477.

It is an arithmetic number, because the mean of its divisors is an integer number (22814590).

Almost surely, 286695423 is an apocalyptic number.

86695423 is a deficient number, since it is larger than the sum of its proper divisors (4562937).

86695423 is a wasteful number, since it uses less digits than its factorization.

86695423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562936.

The product of its digits is 311040, while the sum is 43.

The square root of 86695423 is about 9311.0376972709. The cubic root of 86695423 is about 442.5870712929.

The spelling of 86695423 in words is "eighty-six million, six hundred ninety-five thousand, four hundred twenty-three".

Divisors: 1 19 4562917 86695423