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86885517 = 335418179
BaseRepresentation
bin1010010110111…
…00010010001101
320001111020112010
411023130102031
5134220314032
612342131433
72103341355
oct513342215
9201436463
1086885517
1145054414
1225120b79
1315001464
14b779b65
157963ccc
hex52dc48d

86885517 has 8 divisors (see below), whose sum is σ = 115894240. Its totient is φ = 57900240.

The previous prime is 86885473. The next prime is 86885567. The reversal of 86885517 is 71558868.

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

It is not a de Polignac number, because 86885517 - 27 = 86885389 is a prime.

It is a super-3 number, since 3×868855173 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86885567) 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, 6534 + ... + 14712.

It is an arithmetic number, because the mean of its divisors is an integer number (14486780).

Almost surely, 286885517 is an apocalyptic number.

It is an amenable number.

86885517 is a deficient number, since it is larger than the sum of its proper divisors (29008723).

86885517 is a wasteful number, since it uses less digits than its factorization.

86885517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723.

The product of its digits is 537600, while the sum is 48.

The square root of 86885517 is about 9321.2400999009. The cubic root of 86885517 is about 442.9103168449.

The spelling of 86885517 in words is "eighty-six million, eight hundred eighty-five thousand, five hundred seventeen".

Divisors: 1 3 3541 8179 10623 24537 28961839 86885517