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103085 = 553389
BaseRepresentation
bin11001001010101101
312020101222
4121022231
511244320
62113125
7606353
oct311255
9166358
10103085
11704a4
124b7a5
1337bc8
14297d3
1520825
hex192ad

103085 has 8 divisors (see below), whose sum is σ = 126360. Its totient is φ = 80704.

The previous prime is 103079. The next prime is 103087. The reversal of 103085 is 580301.

It can be written as a sum of positive squares in 4 ways, for example, as 8836 + 94249 = 94^2 + 307^2 .

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 103085 - 24 = 103069 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103085.

It is not an unprimeable number, because it can be changed into a prime (103087) 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, 71 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (15795).

2103085 is an apocalyptic number.

It is an amenable number.

103085 is a deficient number, since it is larger than the sum of its proper divisors (23275).

103085 is an equidigital number, since it uses as much as digits as its factorization.

103085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 103085 is about 321.0685285107. The cubic root of 103085 is about 46.8883724810. Note that the first 3 decimals are identical.

Adding to 103085 its reverse (580301), we get a palindrome (683386).

The spelling of 103085 in words is "one hundred three thousand, eighty-five".

Divisors: 1 5 53 265 389 1945 20617 103085