Search a number
-
+
1108441685 = 51317052949
BaseRepresentation
bin100001000010001…
…0111101001010101
32212020201200010202
41002010113221111
54232230113220
6301553430245
736316412261
oct10204275125
92766650122
101108441685
1151976070a
1226b26b385
13148848170
14a72d90a1
15674a2275
hex42117a55

1108441685 has 8 divisors (see below), whose sum is σ = 1432447800. Its totient is φ = 818541504.

The previous prime is 1108441679. The next prime is 1108441687. The reversal of 1108441685 is 5861448011.

It can be written as a sum of positive squares in 4 ways, for example, as 417316 + 1108024369 = 646^2 + 33287^2 .

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 1108441685 - 214 = 1108425301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108441687) 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 7 ways as a sum of consecutive naturals, for example, 8526410 + ... + 8526539.

It is an arithmetic number, because the mean of its divisors is an integer number (179055975).

Almost surely, 21108441685 is an apocalyptic number.

It is an amenable number.

1108441685 is a deficient number, since it is larger than the sum of its proper divisors (324006115).

1108441685 is a wasteful number, since it uses less digits than its factorization.

1108441685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052967.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1108441685 is about 33293.2678630380. The cubic root of 1108441685 is about 1034.9140507560.

Adding to 1108441685 its reverse (5861448011), we get a palindrome (6969889696).

The spelling of 1108441685 in words is "one billion, one hundred eight million, four hundred forty-one thousand, six hundred eighty-five".

Divisors: 1 5 13 65 17052949 85264745 221688337 1108441685