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3842841 = 31280947
BaseRepresentation
bin1110101010001100011001
321020020101110
432222030121
51440432331
6214210533
744443422
oct16521431
97206343
103842841
112195202
121353a49
13a47192
14720649
1550d946
hex3aa319

3842841 has 4 divisors (see below), whose sum is σ = 5123792. Its totient is φ = 2561892.

The previous prime is 3842831. The next prime is 3842843. The reversal of 3842841 is 1482483.

3842841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3842841 - 25 = 3842809 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3842799 and 3842808.

It is not an unprimeable number, because it can be changed into a prime (3842843) 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, 640471 + ... + 640476.

It is an arithmetic number, because the mean of its divisors is an integer number (1280948).

Almost surely, 23842841 is an apocalyptic number.

It is an amenable number.

3842841 is a deficient number, since it is larger than the sum of its proper divisors (1280951).

3842841 is a wasteful number, since it uses less digits than its factorization.

3842841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280950.

The product of its digits is 6144, while the sum is 30.

The square root of 3842841 is about 1960.3165560695. The cubic root of 3842841 is about 156.6333146649.

The spelling of 3842841 in words is "three million, eight hundred forty-two thousand, eight hundred forty-one".

Divisors: 1 3 1280947 3842841