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3811894 = 219100313
BaseRepresentation
bin1110100010101000110110
321011122221021
432202220312
51433440034
6213411354
744254252
oct16425066
97148837
103811894
112173a29
121339b5a
13a36078
14713262
155046b4
hex3a2a36

3811894 has 8 divisors (see below), whose sum is σ = 6018840. Its totient is φ = 1805616.

The previous prime is 3811891. The next prime is 3811909. The reversal of 3811894 is 4981183.

It is a happy number.

3811894 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811891) by changing a digit.

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, 50119 + ... + 50194.

It is an arithmetic number, because the mean of its divisors is an integer number (752355).

Almost surely, 23811894 is an apocalyptic number.

3811894 is a deficient number, since it is larger than the sum of its proper divisors (2206946).

3811894 is a wasteful number, since it uses less digits than its factorization.

3811894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100334.

The product of its digits is 6912, while the sum is 34.

The square root of 3811894 is about 1952.4072321112. The cubic root of 3811894 is about 156.2117167009.

The spelling of 3811894 in words is "three million, eight hundred eleven thousand, eight hundred ninety-four".

Divisors: 1 2 19 38 100313 200626 1905947 3811894