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3189990 = 235113941
BaseRepresentation
bin1100001010110011100110
320000001211210
430022303212
51304034430
6152212250
736054156
oct14126346
96001753
103189990
111889761
12109a086
13878c8b
145d0766
154302b0
hex30ace6

3189990 has 32 divisors (see below), whose sum is σ = 7731936. Its totient is φ = 842240.

The previous prime is 3189983. The next prime is 3189997. The reversal of 3189990 is 999813.

3189990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3189983) and next prime (3189997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189997) 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 15 ways as a sum of consecutive naturals, for example, 2920 + ... + 3860.

It is an arithmetic number, because the mean of its divisors is an integer number (241623).

Almost surely, 23189990 is an apocalyptic number.

3189990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3189990 is an abundant number, since it is smaller than the sum of its proper divisors (4541946).

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

3189990 is a wasteful number, since it uses less digits than its factorization.

3189990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 3189990 is about 1786.0543104844. The cubic root of 3189990 is about 147.2074446357.

The spelling of 3189990 in words is "three million, one hundred eighty-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 941 1130 1695 1882 2823 3390 4705 5646 9410 14115 28230 106333 212666 318999 531665 637998 1063330 1594995 3189990