Search a number
-
+
50052421 is a prime number
BaseRepresentation
bin1011111011101…
…1110101000101
310111011221000101
42332323311011
5100303134141
64544444101
71145303266
oct276736505
9114157011
1050052421
1126287141
1214919631
13a4a6223
14690c96d
1545da531
hex2fbbd45

50052421 has 2 divisors, whose sum is σ = 50052422. Its totient is φ = 50052420.

The previous prime is 50052367. The next prime is 50052449. The reversal of 50052421 is 12425005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34928100 + 15124321 = 5910^2 + 3889^2 .

It is a cyclic number.

It is not a de Polignac number, because 50052421 - 219 = 49528133 is a prime.

It is a super-2 number, since 2×500524212 = 5010489695922482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50052451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25026210 + 25026211.

It is an arithmetic number, because the mean of its divisors is an integer number (25026211).

Almost surely, 250052421 is an apocalyptic number.

It is an amenable number.

50052421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50052421 is an equidigital number, since it uses as much as digits as its factorization.

50052421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50052421 is about 7074.7735652811. The cubic root of 50052421 is about 368.5318519734.

Adding to 50052421 its reverse (12425005), we get a palindrome (62477426).

The spelling of 50052421 in words is "fifty million, fifty-two thousand, four hundred twenty-one".