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3340289 = 16931973
BaseRepresentation
bin1100101111100000000001
320021201000102
430233200001
51323342124
6155332145
740251311
oct14574001
96251012
103340289
111981677
121151055
138cc504
1462d441
1545eaae
hex32f801

3340289 has 4 divisors (see below), whose sum is σ = 3343956. Its totient is φ = 3336624.

The previous prime is 3340277. The next prime is 3340291. The reversal of 3340289 is 9820433.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 2356225 = 992^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340289 - 216 = 3274753 is a prime.

It is a super-2 number, since 2×33402892 = 22315061207042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340189) 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, 707 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (835989).

It is a Proth number, since it is equal to 1631 ⋅ 211 + 1 and 1631 < 211.

Almost surely, 23340289 is an apocalyptic number.

It is an amenable number.

3340289 is a deficient number, since it is larger than the sum of its proper divisors (3667).

3340289 is a wasteful number, since it uses less digits than its factorization.

3340289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3340289 is about 1827.6457534216. The cubic root of 3340289 is about 149.4839898889.

The spelling of 3340289 in words is "three million, three hundred forty thousand, two hundred eighty-nine".

Divisors: 1 1693 1973 3340289