Search a number
-
+
3881673 = 32431297
BaseRepresentation
bin1110110011101011001001
321022012122200
432303223021
51443203143
6215110413
744664555
oct16635311
97265580
103881673
1122113a4
121372409
13a5ba63
14730865
1551a1d3
hex3b3ac9

3881673 has 6 divisors (see below), whose sum is σ = 5606874. Its totient is φ = 2587776.

The previous prime is 3881671. The next prime is 3881699. The reversal of 3881673 is 3761883.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 8649 = 1968^2 + 93^2 .

It is not a de Polignac number, because 3881673 - 21 = 3881671 is a prime.

3881673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3881671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215640 + ... + 215657.

It is an arithmetic number, because the mean of its divisors is an integer number (934479).

Almost surely, 23881673 is an apocalyptic number.

It is an amenable number.

3881673 is a deficient number, since it is larger than the sum of its proper divisors (1725201).

3881673 is a wasteful number, since it uses less digits than its factorization.

3881673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431303 (or 431300 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3881673 is about 1970.1961831249. The cubic root of 3881673 is about 157.1591419172.

It can be divided in two parts, 3881 and 673, that added together give a palindrome (4554).

The spelling of 3881673 in words is "three million, eight hundred eighty-one thousand, six hundred seventy-three".

Divisors: 1 3 9 431297 1293891 3881673