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3340420 = 225167021
BaseRepresentation
bin1100101111100010000100
320021201012021
430233202010
51323343140
6155332524
740251556
oct14574204
96251167
103340420
111981786
121151144
138cc5a5
1462d4d6
1545eb4a
hex32f884

3340420 has 12 divisors (see below), whose sum is σ = 7014924. Its totient is φ = 1336160.

The previous prime is 3340417. The next prime is 3340427. The reversal of 3340420 is 240433.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 2383936 = 978^2 + 1544^2 .

It is a super-2 number, since 2×33404202 = 22316811552800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3340394 and 3340403.

It is not an unprimeable number, because it can be changed into a prime (3340427) 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, 83491 + ... + 83530.

It is an arithmetic number, because the mean of its divisors is an integer number (584577).

Almost surely, 23340420 is an apocalyptic number.

It is an amenable number.

3340420 is an abundant number, since it is smaller than the sum of its proper divisors (3674504).

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

3340420 is a wasteful number, since it uses less digits than its factorization.

3340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167030 (or 167028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3340420 is about 1827.6815915252. The cubic root of 3340420 is about 149.4859440259.

Adding to 3340420 its reverse (240433), we get a palindrome (3580853).

The spelling of 3340420 in words is "three million, three hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 167021 334042 668084 835105 1670210 3340420