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4103813 = 74179181
BaseRepresentation
bin1111101001111010000101
321201111101002
433221322011
52022310223
6223543045
746611320
oct17517205
97644332
104103813
11235328a
12145aa85
13b08bbc
1478b7b7
15560e28
hex3e9e85

4103813 has 16 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 3369600.

The previous prime is 4103809. The next prime is 4103831. The reversal of 4103813 is 3183014.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4103813 - 22 = 4103809 is a prime.

It is a super-2 number, since 2×41038132 = 33682562277938, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4103833) 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, 22583 + ... + 22763.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 24103813 is an apocalyptic number.

It is an amenable number.

4103813 is a deficient number, since it is larger than the sum of its proper divisors (788347).

4103813 is a wasteful number, since it uses less digits than its factorization.

4103813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4103813 is about 2025.7870075603. The cubic root of 4103813 is about 160.1016671558.

Adding to 4103813 its reverse (3183014), we get a palindrome (7286827).

The spelling of 4103813 in words is "four million, one hundred three thousand, eight hundred thirteen".

Divisors: 1 7 41 79 181 287 553 1267 3239 7421 14299 22673 51947 100093 586259 4103813