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2382813 = 32264757
BaseRepresentation
bin1001000101101111011101
311111001121100
421011233131
51102222223
6123023313
726152656
oct11055735
94431540
102382813
111388274
1296ab39
13655764
1446052d
15321043
hex245bdd

2382813 has 6 divisors (see below), whose sum is σ = 3441854. Its totient is φ = 1588536.

The previous prime is 2382811. The next prime is 2382817. The reversal of 2382813 is 3182832.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 257049 = 1458^2 + 507^2 .

It is not a de Polignac number, because 2382813 - 21 = 2382811 is a prime.

It is a d-powerful number, because it can be written as 211 + 32 + 86 + 218 + 86 + 1 + 313 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2382811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132370 + ... + 132387.

22382813 is an apocalyptic number.

It is an amenable number.

2382813 is a deficient number, since it is larger than the sum of its proper divisors (1059041).

2382813 is a wasteful number, since it uses less digits than its factorization.

2382813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264763 (or 264760 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2382813 is about 1543.6362913588. The cubic root of 2382813 is about 133.5662256109.

The spelling of 2382813 in words is "two million, three hundred eighty-two thousand, eight hundred thirteen".

Divisors: 1 3 9 264757 794271 2382813