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3433645 = 5686729
BaseRepresentation
bin1101000110010010101101
320110110002001
431012102231
51334334040
6201332301
741120425
oct15062255
96413061
103433645
111a35826
121197091
13932b57
14655485
1547c59a
hex3464ad

3433645 has 4 divisors (see below), whose sum is σ = 4120380. Its totient is φ = 2746912.

The previous prime is 3433613. The next prime is 3433649. The reversal of 3433645 is 5463343.

3433645 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: 5463343 = 6189563.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 2208196 = 1107^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3433645 - 25 = 3433613 is a prime.

It is a super-3 number, since 3×34336453 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3433649) 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, 343360 + ... + 343369.

It is an arithmetic number, because the mean of its divisors is an integer number (1030095).

Almost surely, 23433645 is an apocalyptic number.

It is an amenable number.

3433645 is a deficient number, since it is larger than the sum of its proper divisors (686735).

3433645 is an equidigital number, since it uses as much as digits as its factorization.

3433645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686734.

The product of its digits is 12960, while the sum is 28.

The square root of 3433645 is about 1853.0097139519. The cubic root of 3433645 is about 150.8638305768.

Adding to 3433645 its reverse (5463343), we get a palindrome (8896988).

The spelling of 3433645 in words is "three million, four hundred thirty-three thousand, six hundred forty-five".

Divisors: 1 5 686729 3433645