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3805107 = 31268369
BaseRepresentation
bin1110100000111110110011
321011022121220
432200332303
51433230412
6213320123
744225415
oct16407663
97138556
103805107
112169919
121336043
13a32c57
147109b5
1550268c
hex3a0fb3

3805107 has 4 divisors (see below), whose sum is σ = 5073480. Its totient is φ = 2536736.

The previous prime is 3805099. The next prime is 3805121. The reversal of 3805107 is 7015083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3805107 - 23 = 3805099 is a prime.

It is a D-number.

3805107 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3800107) 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 3 ways as a sum of consecutive naturals, for example, 634182 + ... + 634187.

It is an arithmetic number, because the mean of its divisors is an integer number (1268370).

Almost surely, 23805107 is an apocalyptic number.

3805107 is a deficient number, since it is larger than the sum of its proper divisors (1268373).

3805107 is a wasteful number, since it uses less digits than its factorization.

3805107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268372.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 3805107 is about 1950.6683470031. The cubic root of 3805107 is about 156.1189510249.

Subtracting from 3805107 its sum of digits (24), we obtain a palindrome (3805083).

The spelling of 3805107 in words is "three million, eight hundred five thousand, one hundred seven".

Divisors: 1 3 1268369 3805107