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50679109 = 133898393
BaseRepresentation
bin1100000101010…
…0110101000101
310112100202200001
43001110311011
5100433212414
65010121301
71153523335
oct301246505
9115322601
1050679109
1126674a68
1214b80231
13a665550
146a330c5
1546b1074
hex3054d45

50679109 has 4 divisors (see below), whose sum is σ = 54577516. Its totient is φ = 46780704.

The previous prime is 50679103. The next prime is 50679119. The reversal of 50679109 is 90197605.

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 26884225 + 23794884 = 5185^2 + 4878^2 .

It is a cyclic number.

It is not a de Polignac number, because 50679109 - 27 = 50678981 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50679103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949184 + ... + 1949209.

It is an arithmetic number, because the mean of its divisors is an integer number (13644379).

Almost surely, 250679109 is an apocalyptic number.

It is an amenable number.

50679109 is a deficient number, since it is larger than the sum of its proper divisors (3898407).

50679109 is a wasteful number, since it uses less digits than its factorization.

50679109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898406.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 50679109 is about 7118.9261128347. The cubic root of 50679109 is about 370.0635610308.

The spelling of 50679109 in words is "fifty million, six hundred seventy-nine thousand, one hundred nine".

Divisors: 1 13 3898393 50679109