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3803806 = 211316831
BaseRepresentation
bin1110100000101010011110
321011020211201
432200222132
51433210211
6213310114
744221546
oct16405236
97136751
103803806
112168946
12133533a
13a32496
14710326
155020c1
hex3a0a9e

3803806 has 8 divisors (see below), whose sum is σ = 5756544. Its totient is φ = 1884960.

The previous prime is 3803797. The next prime is 3803827. The reversal of 3803806 is 6083083.

3803806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×38038063 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8190 + ... + 8641.

It is an arithmetic number, because the mean of its divisors is an integer number (719568).

Almost surely, 23803806 is an apocalyptic number.

3803806 is the 1234-th centered pentagonal number.

3803806 is a deficient number, since it is larger than the sum of its proper divisors (1952738).

3803806 is a wasteful number, since it uses less digits than its factorization.

3803806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3803806 is about 1950.3348430462. The cubic root of 3803806 is about 156.1011561763.

Adding to 3803806 its reverse (6083083), we get a palindrome (9886889).

It can be divided in two parts, 380 and 3806, that added together give a triangular number (4186 = T91).

The spelling of 3803806 in words is "three million, eight hundred three thousand, eight hundred six".

Divisors: 1 2 113 226 16831 33662 1901903 3803806