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3871130 = 252316831
BaseRepresentation
bin1110110001000110011010
321021200012012
432301012122
51442334010
6214545522
744622044
oct16610632
97250165
103871130
11220448a
1213682a2
13a57013
1472aa94
15517005
hex3b119a

3871130 has 16 divisors (see below), whose sum is σ = 7271424. Its totient is φ = 1481040.

The previous prime is 3871129. The next prime is 3871139. The reversal of 3871130 is 311783.

It is a happy number.

3871130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 3871096 and 3871105.

It is not an unprimeable number, because it can be changed into a prime (3871139) 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 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (454464).

Almost surely, 23871130 is an apocalyptic number.

3871130 is a deficient number, since it is larger than the sum of its proper divisors (3400294).

3871130 is a wasteful number, since it uses less digits than its factorization.

3871130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 3871130 is about 1967.5187419692. The cubic root of 3871130 is about 157.0167264152.

Adding to 3871130 its sum of digits (23), we get a triangular number (3871153 = T2782).

The spelling of 3871130 in words is "three million, eight hundred seventy-one thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 16831 33662 84155 168310 387113 774226 1935565 3871130