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50474821 is a prime number
BaseRepresentation
bin1100000010001…
…0111101000101
310111222101102211
43000202331011
5100410143241
65001503421
71152012625
oct300427505
9114871384
1050474821
1126545531
1214aa1b71
13a5c3577
1469bc885
154670781
hex3022f45

50474821 has 2 divisors, whose sum is σ = 50474822. Its totient is φ = 50474820.

The previous prime is 50474797. The next prime is 50474833. The reversal of 50474821 is 12847405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50253921 + 220900 = 7089^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 50474821 - 213 = 50466629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50474861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25237410 + 25237411.

It is an arithmetic number, because the mean of its divisors is an integer number (25237411).

Almost surely, 250474821 is an apocalyptic number.

It is an amenable number.

50474821 is a deficient number, since it is larger than the sum of its proper divisors (1).

50474821 is an equidigital number, since it uses as much as digits as its factorization.

50474821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 50474821 is about 7104.5633926372. The cubic root of 50474821 is about 369.5656480827.

The spelling of 50474821 in words is "fifty million, four hundred seventy-four thousand, eight hundred twenty-one".