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50809105 = 510161821
BaseRepresentation
bin1100000111010…
…0100100010001
310112121100222201
43001310210101
5101001342410
65013003201
71154604334
oct301644421
9115540881
1050809105
11267536a6
1215023501
13a6ac779
146a6861b
1546d983a
hex3074911

50809105 has 4 divisors (see below), whose sum is σ = 60970932. Its totient is φ = 40647280.

The previous prime is 50809079. The next prime is 50809111. The reversal of 50809105 is 50190805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27373824 + 23435281 = 5232^2 + 4841^2 .

It is not a de Polignac number, because 50809105 - 215 = 50776337 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, 5080906 + ... + 5080915.

It is an arithmetic number, because the mean of its divisors is an integer number (15242733).

Almost surely, 250809105 is an apocalyptic number.

It is an amenable number.

50809105 is a deficient number, since it is larger than the sum of its proper divisors (10161827).

50809105 is a wasteful number, since it uses less digits than its factorization.

50809105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161826.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 50809105 is about 7128.0505750170. The cubic root of 50809105 is about 370.3797051616.

The spelling of 50809105 in words is "fifty million, eight hundred nine thousand, one hundred five".

Divisors: 1 5 10161821 50809105