Search a number
-
+
51316682 = 2196132203
BaseRepresentation
bin1100001111000…
…0011111001010
310120120011020212
43003300133022
5101114113212
65031521122
71162120214
oct303603712
9116504225
1051316682
1126a6aa8a
12152291a2
13a829801
146b5b5b4
154789e22
hex30f07ca

51316682 has 16 divisors (see below), whose sum is σ = 81195360. Its totient is φ = 24257232.

The previous prime is 51316637. The next prime is 51316709. The reversal of 51316682 is 28661315.

It is a happy number.

51316682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22193 + ... + 24395.

It is an arithmetic number, because the mean of its divisors is an integer number (5074710).

Almost surely, 251316682 is an apocalyptic number.

51316682 is a deficient number, since it is larger than the sum of its proper divisors (29878678).

51316682 is a wasteful number, since it uses less digits than its factorization.

51316682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its digits is 8640, while the sum is 32.

The square root of 51316682 is about 7163.5662906125. The cubic root of 51316682 is about 371.6089707361.

Adding to 51316682 its reverse (28661315), we get a palindrome (79977997).

The spelling of 51316682 in words is "fifty-one million, three hundred sixteen thousand, six hundred eighty-two".

Divisors: 1 2 19 38 613 1226 2203 4406 11647 23294 41857 83714 1350439 2700878 25658341 51316682