Search a number
-
+
50715109 is a prime number
BaseRepresentation
bin1100000101110…
…1100111100101
310112102121001101
43001131213211
5100440340414
65011000101
71154033314
oct301354745
9115377041
1050715109
112669a015
1214b99031
13a678a53
146a4227b
1546bba74
hex305d9e5

50715109 has 2 divisors, whose sum is σ = 50715110. Its totient is φ = 50715108.

The previous prime is 50715059. The next prime is 50715143. The reversal of 50715109 is 90151705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29757025 + 20958084 = 5455^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 50715109 - 219 = 50190821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50715169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25357554 + 25357555.

It is an arithmetic number, because the mean of its divisors is an integer number (25357555).

Almost surely, 250715109 is an apocalyptic number.

It is an amenable number.

50715109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50715109 is an equidigital number, since it uses as much as digits as its factorization.

50715109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 50715109 is about 7121.4541352170. The cubic root of 50715109 is about 370.1511654053.

The spelling of 50715109 in words is "fifty million, seven hundred fifteen thousand, one hundred nine".