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3443345 = 5688669
BaseRepresentation
bin1101001000101010010001
320110221101022
431020222101
51340141340
6201445225
741160623
oct15105221
96427338
103443345
111a42044
1211a0815
139373a9
14658c13
154803b5
hex348a91

3443345 has 4 divisors (see below), whose sum is σ = 4132020. Its totient is φ = 2754672.

The previous prime is 3443339. The next prime is 3443347. The reversal of 3443345 is 5433443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5433443 = 41132523.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 1615441 = 1352^2 + 1271^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443345 - 24 = 3443329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3443347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344330 + ... + 344339.

It is an arithmetic number, because the mean of its divisors is an integer number (1033005).

Almost surely, 23443345 is an apocalyptic number.

It is an amenable number.

3443345 is a deficient number, since it is larger than the sum of its proper divisors (688675).

3443345 is an equidigital number, since it uses as much as digits as its factorization.

3443345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688674.

The product of its digits is 8640, while the sum is 26.

The square root of 3443345 is about 1855.6252315594. The cubic root of 3443345 is about 151.0057597616.

Adding to 3443345 its reverse (5433443), we get a palindrome (8876788).

The spelling of 3443345 in words is "three million, four hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 688669 3443345