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3287813 is a prime number
BaseRepresentation
bin1100100010101100000101
320012001000212
430202230011
51320202223
6154245205
736642314
oct14425405
96161025
103287813
111946201
121126805
138b1669
1461827b
1544e278
hex322b05

3287813 has 2 divisors, whose sum is σ = 3287814. Its totient is φ = 3287812.

The previous prime is 3287807. The next prime is 3287819. The reversal of 3287813 is 3187823.

It is a balanced prime because it is at equal distance from previous prime (3287807) and next prime (3287819).

It can be written as a sum of positive squares in only one way, i.e., 2362369 + 925444 = 1537^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287813 - 212 = 3283717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3287813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3287819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643906 + 1643907.

It is an arithmetic number, because the mean of its divisors is an integer number (1643907).

Almost surely, 23287813 is an apocalyptic number.

It is an amenable number.

3287813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287813 is an equidigital number, since it uses as much as digits as its factorization.

3287813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 3287813 is about 1813.2327484358. The cubic root of 3287813 is about 148.6970557525.

The spelling of 3287813 in words is "three million, two hundred eighty-seven thousand, eight hundred thirteen".