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50679309 = 338943427
BaseRepresentation
bin1100000101010…
…0111000001101
310112100202221110
43001110320031
5100433214214
65010122233
71153524042
oct301247015
9115322843
1050679309
112667512a
1214b80379
13a665675
146a331c9
1546b1159
hex3054e0d

50679309 has 8 divisors (see below), whose sum is σ = 67747680. Its totient is φ = 33698576.

The previous prime is 50679263. The next prime is 50679313. The reversal of 50679309 is 90397605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50679309 - 220 = 49630733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50679319) 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 7 ways as a sum of consecutive naturals, for example, 20547 + ... + 22880.

It is an arithmetic number, because the mean of its divisors is an integer number (8468460).

Almost surely, 250679309 is an apocalyptic number.

It is an amenable number.

50679309 is a deficient number, since it is larger than the sum of its proper divisors (17068371).

50679309 is a wasteful number, since it uses less digits than its factorization.

50679309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43819.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 50679309 is about 7118.9401598834. The cubic root of 50679309 is about 370.0640478363.

The spelling of 50679309 in words is "fifty million, six hundred seventy-nine thousand, three hundred nine".

Divisors: 1 3 389 1167 43427 130281 16893103 50679309