Search a number
-
+
10327681 = 721331523
BaseRepresentation
bin100111011001…
…011010000001
3201102200220201
4213121122001
510120441211
61005205201
7153532600
oct47313201
921380821
1010327681
115914381
123560801
1321a7a70
14152ba37
15d900c1
hex9d9681

10327681 has 24 divisors (see below), whose sum is σ = 13380864. Its totient is φ = 7892640.

The previous prime is 10327673. The next prime is 10327711. The reversal of 10327681 is 18672301.

10327681 = T1254 + T1255 + ... + T1266.

It is not a de Polignac number, because 10327681 - 23 = 10327673 is a prime.

It is a super-2 number, since 2×103276812 = 213321989675522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10327651) 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 23 ways as a sum of consecutive naturals, for example, 19486 + ... + 20008.

It is an arithmetic number, because the mean of its divisors is an integer number (557536).

Almost surely, 210327681 is an apocalyptic number.

It is an amenable number.

10327681 is a deficient number, since it is larger than the sum of its proper divisors (3053183).

10327681 is a wasteful number, since it uses less digits than its factorization.

10327681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10327681 is about 3213.6709539093. The cubic root of 10327681 is about 217.7714477563.

Adding to 10327681 its reverse (18672301), we get a palindrome (28999982).

The spelling of 10327681 in words is "ten million, three hundred twenty-seven thousand, six hundred eighty-one".

Divisors: 1 7 13 31 49 91 217 403 523 637 1519 2821 3661 6799 16213 19747 25627 47593 113491 210769 333151 794437 1475383 10327681