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86864611 = 175109683
BaseRepresentation
bin1010010110101…
…11001011100011
320001110011211211
411023113023203
5134214131421
612341450551
72103223411
oct513271343
9201404754
1086864611
114503a739
1225110a57
1314cc4aa2
14b7722b1
15795c9e1
hex52d72e3

86864611 has 4 divisors (see below), whose sum is σ = 91974312. Its totient is φ = 81754912.

The previous prime is 86864597. The next prime is 86864627. The reversal of 86864611 is 11646868.

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

It is a cyclic number.

It is not a de Polignac number, because 86864611 - 217 = 86733539 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86864681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554825 + ... + 2554858.

It is an arithmetic number, because the mean of its divisors is an integer number (22993578).

Almost surely, 286864611 is an apocalyptic number.

86864611 is a deficient number, since it is larger than the sum of its proper divisors (5109701).

86864611 is a wasteful number, since it uses less digits than its factorization.

86864611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109700.

The product of its digits is 55296, while the sum is 40.

The square root of 86864611 is about 9320.1186151250. The cubic root of 86864611 is about 442.8747903031.

The spelling of 86864611 in words is "eighty-six million, eight hundred sixty-four thousand, six hundred eleven".

Divisors: 1 17 5109683 86864611