Search a number
-
+
50780029 is a prime number
BaseRepresentation
bin1100000110110…
…1011101111101
310112112220002211
43001231131331
5100444430104
65012220421
71154423506
oct301553575
9115486084
1050780029
1126733873
121500a711
13a69c471
146a5bbad
1546d0e04
hex306d77d

50780029 has 2 divisors, whose sum is σ = 50780030. Its totient is φ = 50780028.

The previous prime is 50780011. The next prime is 50780083. The reversal of 50780029 is 92008705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34539129 + 16240900 = 5877^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 50780029 - 25 = 50779997 is a prime.

It is a super-2 number, since 2×507800292 = 5157222690481682, 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 (50780089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390014 + 25390015.

It is an arithmetic number, because the mean of its divisors is an integer number (25390015).

Almost surely, 250780029 is an apocalyptic number.

It is an amenable number.

50780029 is a deficient number, since it is larger than the sum of its proper divisors (1).

50780029 is an equidigital number, since it uses as much as digits as its factorization.

50780029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50780029 is about 7126.0107353273. The cubic root of 50780029 is about 370.3090405618.

The spelling of 50780029 in words is "fifty million, seven hundred eighty thousand, twenty-nine".