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3827841 = 31275947
BaseRepresentation
bin1110100110100010000001
321012110210220
432212202001
51434442331
6214013253
744351613
oct16464201
97173726
103827841
112184a06
121347229
13a403c4
14718db3
15509296
hex3a6881

3827841 has 4 divisors (see below), whose sum is σ = 5103792. Its totient is φ = 2551892.

The previous prime is 3827833. The next prime is 3827843. The reversal of 3827841 is 1487283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3827841 - 23 = 3827833 is a prime.

It is a D-number.

3827841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3827843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637971 + ... + 637976.

It is an arithmetic number, because the mean of its divisors is an integer number (1275948).

Almost surely, 23827841 is an apocalyptic number.

It is an amenable number.

3827841 is a deficient number, since it is larger than the sum of its proper divisors (1275951).

3827841 is a wasteful number, since it uses less digits than its factorization.

3827841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275950.

The product of its digits is 10752, while the sum is 33.

The square root of 3827841 is about 1956.4869025884. The cubic root of 3827841 is about 156.4292500723.

The spelling of 3827841 in words is "three million, eight hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 3 1275947 3827841