Search a number
-
+
104900085 = 3252331113
BaseRepresentation
bin1100100000010…
…10010111110101
321022101110212100
412100022113311
5203323300320
614224212313
72412431103
oct620122765
9238343770
10104900085
1154238a94
122b16a099
131896ac74
14dd08c73
159321790
hex640a5f5

104900085 has 12 divisors (see below), whose sum is σ = 181826892. Its totient is φ = 55946688.

The previous prime is 104900077. The next prime is 104900087. The reversal of 104900085 is 580009401.

It can be written as a sum of positive squares in 2 ways, for example, as 37380996 + 67519089 = 6114^2 + 8217^2 .

It is not a de Polignac number, because 104900085 - 23 = 104900077 is a prime.

It is a super-2 number, since 2×1049000852 = 22008055666014450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104900087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165512 + ... + 1165601.

It is an arithmetic number, because the mean of its divisors is an integer number (15152241).

Almost surely, 2104900085 is an apocalyptic number.

104900085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104900085 is a deficient number, since it is larger than the sum of its proper divisors (76926807).

104900085 is a wasteful number, since it uses less digits than its factorization.

104900085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331124 (or 2331121 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 104900085 is about 10242.0742528064. The cubic root of 104900085 is about 471.6197097819.

Adding to 104900085 its reverse (580009401), we get a palindrome (684909486).

The spelling of 104900085 in words is "one hundred four million, nine hundred thousand, eighty-five".

Divisors: 1 3 5 9 15 45 2331113 6993339 11655565 20980017 34966695 104900085