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3982180 = 225199109
BaseRepresentation
bin1111001100001101100100
321111022112011
433030031210
52004412210
6221204004
745563566
oct17141544
97438464
103982180
11227a964
121400604
13a95727
14759336
15539d8a
hex3cc364

3982180 has 12 divisors (see below), whose sum is σ = 8362620. Its totient is φ = 1592864.

The previous prime is 3982171. The next prime is 3982183. The reversal of 3982180 is 812893.

3982180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 2027776 = 1398^2 + 1424^2 .

It is not an unprimeable number, because it can be changed into a prime (3982183) 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, 99535 + ... + 99574.

It is an arithmetic number, because the mean of its divisors is an integer number (696885).

Almost surely, 23982180 is an apocalyptic number.

It is an amenable number.

3982180 is an abundant number, since it is smaller than the sum of its proper divisors (4380440).

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

3982180 is a wasteful number, since it uses less digits than its factorization.

3982180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199118 (or 199116 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 3982180 is about 1995.5400271606. The cubic root of 3982180 is about 158.5040252140.

The spelling of 3982180 in words is "three million, nine hundred eighty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 199109 398218 796436 995545 1991090 3982180