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3881874 = 23646979
BaseRepresentation
bin1110110011101110010010
321022012221010
432303232102
51443204444
6215111350
744665263
oct16635622
97265833
103881874
112211567
121372556
13a5bb89
1473096a
1551a2b9
hex3b3b92

3881874 has 8 divisors (see below), whose sum is σ = 7763760. Its totient is φ = 1293956.

The previous prime is 3881873. The next prime is 3881887. The reversal of 3881874 is 4781883.

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

3881874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3881873) 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, 323484 + ... + 323495.

It is an arithmetic number, because the mean of its divisors is an integer number (970470).

Almost surely, 23881874 is an apocalyptic number.

3881874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3881874 is a wasteful number, since it uses less digits than its factorization.

3881874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646984.

The product of its digits is 43008, while the sum is 39.

The square root of 3881874 is about 1970.2471926132. The cubic root of 3881874 is about 157.1618545313.

Subtracting 3881874 from its reverse (4781883), we obtain a palindrome (900009).

The spelling of 3881874 in words is "three million, eight hundred eighty-one thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 646979 1293958 1940937 3881874