Search a number
-
+
85997086 = 276142649
BaseRepresentation
bin1010010000000…
…11011000011110
312222211002211021
411020003120132
5134003401321
612311114354
72062651240
oct510033036
9188732737
1085997086
11445a797a
12249729ba
1314a7cc66
14b5c8090
15783a941
hex520361e

85997086 has 8 divisors (see below), whose sum is σ = 147423600. Its totient is φ = 36855888.

The previous prime is 85997081. The next prime is 85997099. The reversal of 85997086 is 68079958.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85997081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071311 + ... + 3071338.

It is an arithmetic number, because the mean of its divisors is an integer number (18427950).

Almost surely, 285997086 is an apocalyptic number.

85997086 is a deficient number, since it is larger than the sum of its proper divisors (61426514).

85997086 is a wasteful number, since it uses less digits than its factorization.

85997086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142658.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 85997086 is about 9273.4613818142. The cubic root of 85997086 is about 441.3955107575.

The spelling of 85997086 in words is "eighty-five million, nine hundred ninety-seven thousand, eighty-six".

Divisors: 1 2 7 14 6142649 12285298 42998543 85997086