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47842205 = 533728393
BaseRepresentation
bin1011011010000…
…0001110011101
310100000122011112
42312200032131
544221422310
64425231405
71120436435
oct266401635
9110018145
1047842205
1125007614
1214032565
139bb11c8
1464d52c5
154300705
hex2da039d

47842205 has 8 divisors (see below), whose sum is σ = 57583032. Its totient is φ = 38158848.

The previous prime is 47842189. The next prime is 47842213. The reversal of 47842205 is 50224874.

47842205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11710084 + 36132121 = 3422^2 + 6011^2 .

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 47842205 - 24 = 47842189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12512 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (7197879).

Almost surely, 247842205 is an apocalyptic number.

It is an amenable number.

47842205 is a deficient number, since it is larger than the sum of its proper divisors (9740827).

47842205 is a wasteful number, since it uses less digits than its factorization.

47842205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28735.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 47842205 is about 6916.8059825327. The cubic root of 47842205 is about 363.0254417329.

The spelling of 47842205 in words is "forty-seven million, eight hundred forty-two thousand, two hundred five".

Divisors: 1 5 337 1685 28393 141965 9568441 47842205