Search a number
-
+
86069717 = 277310721
BaseRepresentation
bin1010010000101…
…01000111010101
312222221210110022
411020111013111
5134013212332
612312434525
72063403056
oct510250725
9188853408
1086069717
11446474a8
12249a8a45
1314aa7036
14b60672d
157852212
hex52151d5

86069717 has 4 divisors (see below), whose sum is σ = 86380716. Its totient is φ = 85758720.

The previous prime is 86069713. The next prime is 86069729. The reversal of 86069717 is 71796068.

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 24462916 + 61606801 = 4946^2 + 7849^2 .

It is a cyclic number.

It is not a de Polignac number, because 86069717 - 22 = 86069713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86069713) 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, 155084 + ... + 155637.

It is an arithmetic number, because the mean of its divisors is an integer number (21595179).

Almost surely, 286069717 is an apocalyptic number.

It is an amenable number.

86069717 is a deficient number, since it is larger than the sum of its proper divisors (310999).

86069717 is a wasteful number, since it uses less digits than its factorization.

86069717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310998.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 86069717 is about 9277.3766227312. The cubic root of 86069717 is about 441.5197396806.

The spelling of 86069717 in words is "eighty-six million, sixty-nine thousand, seven hundred seventeen".

Divisors: 1 277 310721 86069717