Search a number
-
+
50654921 is a prime number
BaseRepresentation
bin1100000100111…
…0111011001001
310112022112111012
43001032323021
5100431424141
65005413305
71153362662
oct301167311
9115275435
1050654921
1126658879
1214b6a235
13a657535
146a28369
1546a8ceb
hex304eec9

50654921 has 2 divisors, whose sum is σ = 50654922. Its totient is φ = 50654920.

The previous prime is 50654869. The next prime is 50654927. The reversal of 50654921 is 12945605.

It is a happy number.

50654921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 14714896 = 5995^2 + 3836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50654921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50654927) 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 as a sum of consecutive naturals, namely, 25327460 + 25327461.

It is an arithmetic number, because the mean of its divisors is an integer number (25327461).

Almost surely, 250654921 is an apocalyptic number.

It is an amenable number.

50654921 is a deficient number, since it is larger than the sum of its proper divisors (1).

50654921 is an equidigital number, since it uses as much as digits as its factorization.

50654921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 50654921 is about 7117.2270583423. The cubic root of 50654921 is about 370.0046773210.

The spelling of 50654921 in words is "fifty million, six hundred fifty-four thousand, nine hundred twenty-one".