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50067421 is a prime number
BaseRepresentation
bin1011111011111…
…1011111011101
310111012200120221
42332333133131
5100304124141
64545041341
71145365105
oct276773735
9114180527
1050067421
1126297438
1214926251
13a4accc1
146914205
1545debd1
hex2fbf7dd

50067421 has 2 divisors, whose sum is σ = 50067422. Its totient is φ = 50067420.

The previous prime is 50067419. The next prime is 50067439. The reversal of 50067421 is 12476005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 2595321 = 6890^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 50067421 - 21 = 50067419 is a prime.

Together with 50067419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50067461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25033710 + 25033711.

It is an arithmetic number, because the mean of its divisors is an integer number (25033711).

Almost surely, 250067421 is an apocalyptic number.

It is an amenable number.

50067421 is a deficient number, since it is larger than the sum of its proper divisors (1).

50067421 is an equidigital number, since it uses as much as digits as its factorization.

50067421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 50067421 is about 7075.8335904683. The cubic root of 50067421 is about 368.5686628844.

The spelling of 50067421 in words is "fifty million, sixty-seven thousand, four hundred twenty-one".