Search a number
-
+
105303785 = 5294117713
BaseRepresentation
bin1100100011011…
…00111011101001
321100010222122012
412101230323221
5203424210120
614241005305
72416032056
oct621547351
9240128565
10105303785
1154494324
122b323835
1318a7c942
14ddb202d
1593a11c5
hex646cee9

105303785 has 16 divisors (see below), whose sum is σ = 133917840. Its totient is φ = 79349760.

The previous prime is 105303773. The next prime is 105303791. The reversal of 105303785 is 587303501.

It can be written as a sum of positive squares in 8 ways, for example, as 609961 + 104693824 = 781^2 + 10232^2 .

It is not a de Polignac number, because 105303785 - 214 = 105287401 is a prime.

It is a super-2 number, since 2×1053037852 = 22177774270652450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912 + ... + 14801.

It is an arithmetic number, because the mean of its divisors is an integer number (8369865).

Almost surely, 2105303785 is an apocalyptic number.

It is an amenable number.

105303785 is a deficient number, since it is larger than the sum of its proper divisors (28614055).

105303785 is a wasteful number, since it uses less digits than its factorization.

105303785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17788.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 105303785 is about 10261.7632500463. The cubic root of 105303785 is about 472.2239328709.

The spelling of 105303785 in words is "one hundred five million, three hundred three thousand, seven hundred eighty-five".

Divisors: 1 5 29 41 145 205 1189 5945 17713 88565 513677 726233 2568385 3631165 21060757 105303785