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3879305 = 5775861
BaseRepresentation
bin1110110011000110001001
321022002101222
432303012021
51443114210
6215051425
744654633
oct16630611
97262358
103879305
11220a641
121370b75
13a5a961
1472da53
15519655
hex3b3189

3879305 has 4 divisors (see below), whose sum is σ = 4655172. Its totient is φ = 3103440.

The previous prime is 3879283. The next prime is 3879307. The reversal of 3879305 is 5039783.

3879305 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 1721344 = 1469^2 + 1312^2 .

It is not a de Polignac number, because 3879305 - 28 = 3879049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879307) 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, 387926 + ... + 387935.

It is an arithmetic number, because the mean of its divisors is an integer number (1163793).

Almost surely, 23879305 is an apocalyptic number.

It is an amenable number.

3879305 is a deficient number, since it is larger than the sum of its proper divisors (775867).

3879305 is an equidigital number, since it uses as much as digits as its factorization.

3879305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775866.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3879305 is about 1969.5951360622. The cubic root of 3879305 is about 157.1271773021.

The spelling of 3879305 in words is "three million, eight hundred seventy-nine thousand, three hundred five".

Divisors: 1 5 775861 3879305