Search a number
-
+
51350211 = 3211518689
BaseRepresentation
bin1100001111100…
…0101011000011
310120121212020200
43003320223003
5101121201321
65032340243
71162320033
oct303705303
9116555220
1051350211
1126a931a0
1215244683
13a83bb53
146b698c3
154794d26
hex30f8ac3

51350211 has 12 divisors (see below), whose sum is σ = 80915640. Its totient is φ = 31121280.

The previous prime is 51350209. The next prime is 51350219. The reversal of 51350211 is 11205315.

51350211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51350211 - 21 = 51350209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51350219) 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 11 ways as a sum of consecutive naturals, for example, 259246 + ... + 259443.

It is an arithmetic number, because the mean of its divisors is an integer number (6742970).

Almost surely, 251350211 is an apocalyptic number.

51350211 is a deficient number, since it is larger than the sum of its proper divisors (29565429).

51350211 is a wasteful number, since it uses less digits than its factorization.

51350211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518706 (or 518703 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51350211 is about 7165.9061534463. The cubic root of 51350211 is about 371.6898863635.

Adding to 51350211 its reverse (11205315), we get a palindrome (62555526).

Subtracting from 51350211 its reverse (11205315), we obtain a square (40144896 = 63362).

The spelling of 51350211 in words is "fifty-one million, three hundred fifty thousand, two hundred eleven".

Divisors: 1 3 9 11 33 99 518689 1556067 4668201 5705579 17116737 51350211