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3403145 = 51740037
BaseRepresentation
bin1100111110110110001001
320101220020102
430332312021
51332400040
6200535145
740632464
oct14766611
96356212
103403145
111a14919
1211814b5
13921cc5
146482db
15473515
hex33ed89

3403145 has 8 divisors (see below), whose sum is σ = 4324104. Its totient is φ = 2562304.

The previous prime is 3403139. The next prime is 3403151. The reversal of 3403145 is 5413043.

It is an interprime number because it is at equal distance from previous prime (3403139) and next prime (3403151).

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 2271049 = 1064^2 + 1507^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3403145 - 218 = 3141001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19934 + ... + 20103.

It is an arithmetic number, because the mean of its divisors is an integer number (540513).

Almost surely, 23403145 is an apocalyptic number.

It is an amenable number.

3403145 is a deficient number, since it is larger than the sum of its proper divisors (920959).

3403145 is a wasteful number, since it uses less digits than its factorization.

3403145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40059.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3403145 is about 1844.7615022002. The cubic root of 3403145 is about 150.4158092490.

Adding to 3403145 its reverse (5413043), we get a palindrome (8816188).

The spelling of 3403145 in words is "three million, four hundred three thousand, one hundred forty-five".

Divisors: 1 5 17 85 40037 200185 680629 3403145