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3842961 = 31280987
BaseRepresentation
bin1110101010001110010001
321020020112220
432222032101
51440433321
6214211253
744443653
oct16521621
97206486
103842961
112195301
121353b29
13a47255
147206d3
1550d9c6
hex3aa391

3842961 has 4 divisors (see below), whose sum is σ = 5123952. Its totient is φ = 2561972.

The previous prime is 3842957. The next prime is 3842963. The reversal of 3842961 is 1692483.

3842961 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 a cyclic number.

It is not a de Polignac number, because 3842961 - 22 = 3842957 is a prime.

It is a D-number.

3842961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3842963) 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, 640491 + ... + 640496.

It is an arithmetic number, because the mean of its divisors is an integer number (1280988).

Almost surely, 23842961 is an apocalyptic number.

It is an amenable number.

3842961 is a deficient number, since it is larger than the sum of its proper divisors (1280991).

3842961 is a wasteful number, since it uses less digits than its factorization.

3842961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280990.

The product of its digits is 10368, while the sum is 33.

The square root of 3842961 is about 1960.3471631321. The cubic root of 3842961 is about 156.6349450387.

The spelling of 3842961 in words is "three million, eight hundred forty-two thousand, nine hundred sixty-one".

Divisors: 1 3 1280987 3842961