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50521105 = 510104221
BaseRepresentation
bin1100000010111…
…0010000010001
310112001201221001
43000232100101
5100413133410
65002502001
71152264565
oct300562021
9115051831
1050521105
1126577288
1214b04901
13a60b65b
1469d16a5
15467e33a
hex302e411

50521105 has 4 divisors (see below), whose sum is σ = 60625332. Its totient is φ = 40416880.

The previous prime is 50521091. The next prime is 50521151. The reversal of 50521105 is 50112505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50112505 = 510022501.

It can be written as a sum of positive squares in 2 ways, for example, as 16613776 + 33907329 = 4076^2 + 5823^2 .

It is not a de Polignac number, because 50521105 - 25 = 50521073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052106 + ... + 5052115.

It is an arithmetic number, because the mean of its divisors is an integer number (15156333).

Almost surely, 250521105 is an apocalyptic number.

It is an amenable number.

50521105 is a deficient number, since it is larger than the sum of its proper divisors (10104227).

50521105 is a wasteful number, since it uses less digits than its factorization.

50521105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104226.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 50521105 is about 7107.8199892794. The cubic root of 50521105 is about 369.6785740296.

The spelling of 50521105 in words is "fifty million, five hundred twenty-one thousand, one hundred five".

Divisors: 1 5 10104221 50521105