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50140061 is a prime number
BaseRepresentation
bin1011111101000…
…1001110011101
310111100101020022
42333101032131
5100313440221
64550401525
71146116636
oct277211635
9114311208
1050140061
1126336a74
12149602a5
13a50709a
14693288d
1546064ab
hex2fd139d

50140061 has 2 divisors, whose sum is σ = 50140062. Its totient is φ = 50140060.

The previous prime is 50140039. The next prime is 50140073. The reversal of 50140061 is 16004105.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 7812025 = 6506^2 + 2795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50140061 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50140001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25070030 + 25070031.

It is an arithmetic number, because the mean of its divisors is an integer number (25070031).

Almost surely, 250140061 is an apocalyptic number.

It is an amenable number.

50140061 is a deficient number, since it is larger than the sum of its proper divisors (1).

50140061 is an equidigital number, since it uses as much as digits as its factorization.

50140061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50140061 is about 7080.9646941642. The cubic root of 50140061 is about 368.7468219203.

Adding to 50140061 its reverse (16004105), we get a palindrome (66144166).

The spelling of 50140061 in words is "fifty million, one hundred forty thousand, sixty-one".