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47855384 = 2314394157
BaseRepresentation
bin1011011010001…
…1011100011000
310100001022020122
42312203130120
544222333014
64425412412
71120523033
oct266433430
9110038218
1047855384
1125016505
121403a108
139bb71c5
1464da01a
15430458e
hex2da3718

47855384 has 16 divisors (see below), whose sum is σ = 89812800. Its totient is φ = 23905312.

The previous prime is 47855377. The next prime is 47855407. The reversal of 47855384 is 48355874.

47855384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 9434 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 247855384 is an apocalyptic number.

It is an amenable number.

47855384 is a deficient number, since it is larger than the sum of its proper divisors (41957416).

47855384 is a wasteful number, since it uses less digits than its factorization.

47855384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5598 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 47855384 is about 6917.7585965398. The cubic root of 47855384 is about 363.0587726454.

The spelling of 47855384 in words is "forty-seven million, eight hundred fifty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 1439 2878 4157 5756 8314 11512 16628 33256 5981923 11963846 23927692 47855384