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50210161 is a prime number
BaseRepresentation
bin1011111110001…
…0010101110001
310111110221101121
42333202111301
5100323211121
64552102241
71146531211
oct277422561
9114427347
1050210161
1126384701
1214994981
13a52cc71
146950241
15461c141
hex2fe2571

50210161 has 2 divisors, whose sum is σ = 50210162. Its totient is φ = 50210160.

The previous prime is 50210159. The next prime is 50210177. The reversal of 50210161 is 16101205.

It is a happy number.

It is an a-pointer prime, because the next prime (50210177) can be obtained adding 50210161 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 295936 = 7065^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 50210161 - 21 = 50210159 is a prime.

Together with 50210159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25105080 + 25105081.

It is an arithmetic number, because the mean of its divisors is an integer number (25105081).

Almost surely, 250210161 is an apocalyptic number.

It is an amenable number.

50210161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50210161 is an equidigital number, since it uses as much as digits as its factorization.

50210161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 50210161 is about 7085.9128558006. The cubic root of 50210161 is about 368.9185881994.

Adding to 50210161 its reverse (16101205), we get a palindrome (66311366).

The spelling of 50210161 in words is "fifty million, two hundred ten thousand, one hundred sixty-one".