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3244285813 = 6673486181
BaseRepresentation
bin1100000101011111…
…1101111101110101
322101002200210110211
43001113331331311
523121014121223
61253532145421
7143252655136
oct30127757565
98332623424
103244285813
111415350a4a
12766608271
133c91a6062
1422ac35c8d
1513ec49d0d
hexc15fdf75

3244285813 has 4 divisors (see below), whose sum is σ = 3244778668. Its totient is φ = 3243792960.

The previous prime is 3244285799. The next prime is 3244285817. The reversal of 3244285813 is 3185824423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3185824423 = 10929227747.

It can be written as a sum of positive squares in 2 ways, for example, as 323748049 + 2920537764 = 17993^2 + 54042^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244285813 - 217 = 3244154741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244285817) 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, 236418 + ... + 249763.

It is an arithmetic number, because the mean of its divisors is an integer number (811194667).

Almost surely, 23244285813 is an apocalyptic number.

It is an amenable number.

3244285813 is a deficient number, since it is larger than the sum of its proper divisors (492855).

3244285813 is an equidigital number, since it uses as much as digits as its factorization.

3244285813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492854.

The product of its digits is 184320, while the sum is 40.

The square root of 3244285813 is about 56958.6324712945. The cubic root of 3244285813 is about 1480.3794092101.

The spelling of 3244285813 in words is "three billion, two hundred forty-four million, two hundred eighty-five thousand, eight hundred thirteen".

Divisors: 1 6673 486181 3244285813