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50252821 is a prime number
BaseRepresentation
bin1011111110110…
…0110000010101
310111120002220121
42333230300111
5100331042241
64553031541
71150066453
oct277546025
9114502817
1050252821
1126403763
12149b55b1
13a5464c8
1469619d3
154629ad1
hex2fecc15

50252821 has 2 divisors, whose sum is σ = 50252822. Its totient is φ = 50252820.

The previous prime is 50252791. The next prime is 50252831. The reversal of 50252821 is 12825205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37075921 + 13176900 = 6089^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 50252821 - 217 = 50121749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50252831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126410 + 25126411.

It is an arithmetic number, because the mean of its divisors is an integer number (25126411).

Almost surely, 250252821 is an apocalyptic number.

It is an amenable number.

50252821 is a deficient number, since it is larger than the sum of its proper divisors (1).

50252821 is an equidigital number, since it uses as much as digits as its factorization.

50252821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 50252821 is about 7088.9224145846. The cubic root of 50252821 is about 369.0230399119.

The spelling of 50252821 in words is "fifty million, two hundred fifty-two thousand, eight hundred twenty-one".