Search a number
-
+
85508873 = 198095563
BaseRepresentation
bin1010001100011…
…00001100001001
312221220022010022
411012030030021
5133342240443
612252430225
72055546002
oct506141411
9187808108
1085508873
11442a409a
1224778375
131493b988
14b4dc1a9
157790e68
hex518c309

85508873 has 8 divisors (see below), whose sum is σ = 90136800. Its totient is φ = 80893728.

The previous prime is 85508869. The next prime is 85508879. The reversal of 85508873 is 37880558.

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

It is a cyclic number.

It is not a de Polignac number, because 85508873 - 22 = 85508869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85508879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12590 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (11267100).

Almost surely, 285508873 is an apocalyptic number.

It is an amenable number.

85508873 is a deficient number, since it is larger than the sum of its proper divisors (4627927).

85508873 is a wasteful number, since it uses less digits than its factorization.

85508873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 85508873 is about 9247.1007888959. The cubic root of 85508873 is about 440.5586447569.

The spelling of 85508873 in words is "eighty-five million, five hundred eight thousand, eight hundred seventy-three".

Divisors: 1 19 809 5563 15371 105697 4500467 85508873