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50150909 is a prime number
BaseRepresentation
bin1011111101001…
…1110111111101
310111100221010002
42333103313331
5100314312114
64550524045
71146163364
oct277236775
9114327102
1050150909
1126344136
1214966625
13a50bcc3
1469367db
1546097de
hex2fd3dfd

50150909 has 2 divisors, whose sum is σ = 50150910. Its totient is φ = 50150908.

The previous prime is 50150887. The next prime is 50150923. The reversal of 50150909 is 90905105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 1570009 = 6970^2 + 1253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50150909 is a prime.

It is a super-2 number, since 2×501509092 = 5030227347052562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50150929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075454 + 25075455.

It is an arithmetic number, because the mean of its divisors is an integer number (25075455).

Almost surely, 250150909 is an apocalyptic number.

It is an amenable number.

50150909 is a deficient number, since it is larger than the sum of its proper divisors (1).

50150909 is an equidigital number, since it uses as much as digits as its factorization.

50150909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 50150909 is about 7081.7306500601. The cubic root of 50150909 is about 368.7734132792.

The spelling of 50150909 in words is "fifty million, one hundred fifty thousand, nine hundred nine".