Search a number
-
+
3189946 = 212491277
BaseRepresentation
bin1100001010110010111010
320000001210011
430022302322
51304034241
6152212134
736054064
oct14126272
96001704
103189946
111889721
12109a04a
13878c56
145d0734
15430281
hex30acba

3189946 has 8 divisors (see below), whose sum is σ = 4792500. Its totient is φ = 1592448.

The previous prime is 3189943. The next prime is 3189961. The reversal of 3189946 is 6499813.

3189946 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 3186225 + 3721 = 1785^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3189899 and 3189908.

It is not an unprimeable number, because it can be changed into a prime (3189943) 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, 1860 + ... + 3136.

Almost surely, 23189946 is an apocalyptic number.

3189946 is a deficient number, since it is larger than the sum of its proper divisors (1602554).

3189946 is a wasteful number, since it uses less digits than its factorization.

3189946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its digits is 46656, while the sum is 40.

The square root of 3189946 is about 1786.0419927874. The cubic root of 3189946 is about 147.2067678146.

The spelling of 3189946 in words is "three million, one hundred eighty-nine thousand, nine hundred forty-six".

Divisors: 1 2 1249 1277 2498 2554 1594973 3189946