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86693385 = 3514713929
BaseRepresentation
bin1010010101011…
…01011000001001
320001010110222010
411022231120021
5134143142020
612334050133
72101611252
oct512553011
9201113863
1086693385
1144a33029
1225049949
1314c64b7c
14b729b29
157926de0
hex52ad609

86693385 has 16 divisors (see below), whose sum is σ = 138839040. Its totient is φ = 46193280.

The previous prime is 86693381. The next prime is 86693401. The reversal of 86693385 is 58339668.

It is not a de Polignac number, because 86693385 - 22 = 86693381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86693381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20101 + ... + 24029.

It is an arithmetic number, because the mean of its divisors is an integer number (8677440).

Almost surely, 286693385 is an apocalyptic number.

It is an amenable number.

86693385 is a deficient number, since it is larger than the sum of its proper divisors (52145655).

86693385 is a wasteful number, since it uses less digits than its factorization.

86693385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408.

The product of its digits is 933120, while the sum is 48.

The square root of 86693385 is about 9310.9282566240. The cubic root of 86693385 is about 442.5836032147.

It can be divided in two parts, 86693 and 385, that added together give a palindrome (87078).

The spelling of 86693385 in words is "eighty-six million, six hundred ninety-three thousand, three hundred eighty-five".

Divisors: 1 3 5 15 1471 3929 4413 7355 11787 19645 22065 58935 5779559 17338677 28897795 86693385