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85673 = 712239
BaseRepresentation
bin10100111010101001
311100112002
4110322221
510220143
61500345
7504530
oct247251
9140462
1085673
1159405
12416b5
132ccc3
1423317
151a5b8
hex14ea9

85673 has 4 divisors (see below), whose sum is σ = 97920. Its totient is φ = 73428.

The previous prime is 85669. The next prime is 85691. The reversal of 85673 is 37658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85673 - 22 = 85669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85643) 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, 6113 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

285673 is an apocalyptic number.

It is an amenable number.

85673 is a deficient number, since it is larger than the sum of its proper divisors (12247).

85673 is a wasteful number, since it uses less digits than its factorization.

85673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246.

The product of its digits is 5040, while the sum is 29.

The square root of 85673 is about 292.6995046118. The cubic root of 85673 is about 44.0840336207.

It can be divided in two parts, 856 and 73, that added together give a palindrome (929).

The spelling of 85673 in words is "eighty-five thousand, six hundred seventy-three".

Divisors: 1 7 12239 85673