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86500801 = 797108533
BaseRepresentation
bin1010010011111…
…10010111000001
320000202200210101
411021332113001
5134121011201
612330002401
72100146632
oct511762701
9200680711
1086500801
1144911372
1224b76401
1314bc830a
14b6b9889
1578d9d01
hex527e5c1

86500801 has 4 divisors (see below), whose sum is σ = 86610132. Its totient is φ = 86391472.

The previous prime is 86500793. The next prime is 86500829. The reversal of 86500801 is 10800568.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 70308225 = 4024^2 + 8385^2 .

It is a cyclic number.

It is not a de Polignac number, because 86500801 - 23 = 86500793 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 86500801.

It is not an unprimeable number, because it can be changed into a prime (86500871) 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, 53470 + ... + 55063.

It is an arithmetic number, because the mean of its divisors is an integer number (21652533).

Almost surely, 286500801 is an apocalyptic number.

It is an amenable number.

86500801 is a deficient number, since it is larger than the sum of its proper divisors (109331).

86500801 is a wasteful number, since it uses less digits than its factorization.

86500801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109330.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 86500801 is about 9300.5806807962. The cubic root of 86500801 is about 442.2556361960.

The spelling of 86500801 in words is "eighty-six million, five hundred thousand, eight hundred one".

Divisors: 1 797 108533 86500801