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85193173 = 1323284927
BaseRepresentation
bin1010001001111…
…11000111010101
312221022021001201
411010333013111
5133302140143
612241552501
72053062412
oct504770725
9187267051
1085193173
11440a898a
1224645731
131485b080
14b459109
15772c64d
hex513f1d5

85193173 has 8 divisors (see below), whose sum is σ = 95735808. Its totient is φ = 75220464.

The previous prime is 85193167. The next prime is 85193209. The reversal of 85193173 is 37139158.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85193173 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 (85193873) 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, 142165 + ... + 142762.

It is an arithmetic number, because the mean of its divisors is an integer number (11966976).

Almost surely, 285193173 is an apocalyptic number.

It is an amenable number.

85193173 is a deficient number, since it is larger than the sum of its proper divisors (10542635).

85193173 is a wasteful number, since it uses less digits than its factorization.

85193173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284963.

The product of its digits is 22680, while the sum is 37.

The square root of 85193173 is about 9230.0147887205. The cubic root of 85193173 is about 440.0157931659.

The spelling of 85193173 in words is "eighty-five million, one hundred ninety-three thousand, one hundred seventy-three".

Divisors: 1 13 23 299 284927 3704051 6553321 85193173