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192085 = 541937
BaseRepresentation
bin101110111001010101
3100202111021
4232321111
522121320
64041141
71430005
oct567125
9322437
10192085
11121353
12931b1
136957a
1450005
153bdaa
hex2ee55

192085 has 8 divisors (see below), whose sum is σ = 236376. Its totient is φ = 149760.

The previous prime is 192053. The next prime is 192091. The reversal of 192085 is 580291.

192085 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 10609 + 181476 = 103^2 + 426^2 .

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

It is not a de Polignac number, because 192085 - 25 = 192053 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 264 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (29547).

2192085 is an apocalyptic number.

It is an amenable number.

192085 is a deficient number, since it is larger than the sum of its proper divisors (44291).

192085 is an equidigital number, since it uses as much as digits as its factorization.

192085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 192085 is about 438.2750278079. The cubic root of 192085 is about 57.6984948350.

The spelling of 192085 in words is "one hundred ninety-two thousand, eighty-five".

Divisors: 1 5 41 205 937 4685 38417 192085