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3443149 = 6615209
BaseRepresentation
bin1101001000100111001101
320110221010001
431020213031
51340140044
6201444301
741160223
oct15104715
96427101
103443149
111a41986
1211a0691
13937288
14658b13
154802d4
hex3489cd

3443149 has 4 divisors (see below), whose sum is σ = 3449020. Its totient is φ = 3437280.

The previous prime is 3443137. The next prime is 3443159. The reversal of 3443149 is 9413443.

3443149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9413443 = 13724111.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 310249 = 1770^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443149 - 25 = 3443117 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443159) 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, 1944 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (862255).

Almost surely, 23443149 is an apocalyptic number.

It is an amenable number.

3443149 is a deficient number, since it is larger than the sum of its proper divisors (5871).

3443149 is an equidigital number, since it uses as much as digits as its factorization.

3443149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870.

The product of its digits is 5184, while the sum is 28.

The square root of 3443149 is about 1855.5724184197. The cubic root of 3443149 is about 151.0028945544.

The spelling of 3443149 in words is "three million, four hundred forty-three thousand, one hundred forty-nine".

Divisors: 1 661 5209 3443149