Search a number
-
+
50471857 is a prime number
BaseRepresentation
bin1100000010001…
…0001110110001
310111222020101001
43000202032301
5100410044412
65001442001
71152001162
oct300421661
9114866331
1050471857
1126543287
1214aa0301
13a5c2107
1469bb769
15466e957
hex30223b1

50471857 has 2 divisors, whose sum is σ = 50471858. Its totient is φ = 50471856.

The previous prime is 50471849. The next prime is 50471881. The reversal of 50471857 is 75817405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 5041 = 7104^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 50471857 - 23 = 50471849 is a prime.

It is a Chen prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25235928 + 25235929.

It is an arithmetic number, because the mean of its divisors is an integer number (25235929).

Almost surely, 250471857 is an apocalyptic number.

It is an amenable number.

50471857 is a deficient number, since it is larger than the sum of its proper divisors (1).

50471857 is an equidigital number, since it uses as much as digits as its factorization.

50471857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 50471857 is about 7104.3547912530. The cubic root of 50471857 is about 369.5584140203.

It can be divided in two parts, 504 and 71857, that added together give a square (72361 = 2692).

The spelling of 50471857 in words is "fifty million, four hundred seventy-one thousand, eight hundred fifty-seven".