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50825109 = 316941703
BaseRepresentation
bin1100000111100…
…0011110010101
310112122011221110
43001320132111
5101002400414
65013205233
71155002106
oct301703625
9115564843
1050825109
1126764725
1215030819
13a6b6b3a
146a703ad
1546de459
hex3078795

50825109 has 4 divisors (see below), whose sum is σ = 67766816. Its totient is φ = 33883404.

The previous prime is 50825077. The next prime is 50825111. The reversal of 50825109 is 90152805.

50825109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50825109 - 25 = 50825077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50825149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8470849 + ... + 8470854.

It is an arithmetic number, because the mean of its divisors is an integer number (16941704).

Almost surely, 250825109 is an apocalyptic number.

It is an amenable number.

50825109 is a deficient number, since it is larger than the sum of its proper divisors (16941707).

50825109 is a wasteful number, since it uses less digits than its factorization.

50825109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16941706.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 50825109 is about 7129.1730937045. The cubic root of 50825109 is about 370.4185888391.

The spelling of 50825109 in words is "fifty million, eight hundred twenty-five thousand, one hundred nine".

Divisors: 1 3 16941703 50825109