Search a number
-
+
3913105 = 57234861
BaseRepresentation
bin1110111011010110010001
321100210202211
432323112101
52000204410
6215512121
745155320
oct16732621
97323684
103913105
112232a79
121388641
13a70161
1473c0b7
1552468a
hex3bb591

3913105 has 16 divisors (see below), whose sum is σ = 5601024. Its totient is φ = 2566080.

The previous prime is 3913103. The next prime is 3913109. The reversal of 3913105 is 5013193.

It is not a de Polignac number, because 3913105 - 21 = 3913103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3913103) 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 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (350064).

Almost surely, 23913105 is an apocalyptic number.

3913105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3913105 is a deficient number, since it is larger than the sum of its proper divisors (1687919).

3913105 is a wasteful number, since it uses less digits than its factorization.

3913105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 3913105 is about 1978.1569705157. The cubic root of 3913105 is about 157.5822028268.

Adding to 3913105 its reverse (5013193), we get a palindrome (8926298).

The spelling of 3913105 in words is "three million, nine hundred thirteen thousand, one hundred five".

Divisors: 1 5 7 23 35 115 161 805 4861 24305 34027 111803 170135 559015 782621 3913105