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50388449 is a prime number
BaseRepresentation
bin1100000000110…
…1110111100001
310111210222221212
43000031313201
5100344412244
64555555505
71151203046
oct300156741
9114728855
1050388449
1126496651
1214a5bb95
13a593167
1469991cd
154654d9e
hex300dde1

50388449 has 2 divisors, whose sum is σ = 50388450. Its totient is φ = 50388448.

The previous prime is 50388421. The next prime is 50388509. The reversal of 50388449 is 94488305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 4243600 = 6793^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 50388449 - 224 = 33611233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50388049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25194224 + 25194225.

It is an arithmetic number, because the mean of its divisors is an integer number (25194225).

Almost surely, 250388449 is an apocalyptic number.

It is an amenable number.

50388449 is a deficient number, since it is larger than the sum of its proper divisors (1).

50388449 is an equidigital number, since it uses as much as digits as its factorization.

50388449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 50388449 is about 7098.4821617019. The cubic root of 50388449 is about 369.3547287373.

The spelling of 50388449 in words is "fifty million, three hundred eighty-eight thousand, four hundred forty-nine".