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47854994 = 2117130637
BaseRepresentation
bin1011011010001…
…1010110010010
310100001021201012
42312203112102
544222324434
64425410522
71120521635
oct266432622
9110037635
1047854994
1125016190
1214039a42
139bb6c85
1464d9c1c
1543043ce
hex2da3592

47854994 has 16 divisors (see below), whose sum is σ = 79413696. Its totient is φ = 21445200.

The previous prime is 47854991. The next prime is 47854999. The reversal of 47854994 is 49945874.

47854994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47854991) 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 7 ways as a sum of consecutive naturals, for example, 13757 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (4963356).

Almost surely, 247854994 is an apocalyptic number.

47854994 is a deficient number, since it is larger than the sum of its proper divisors (31558702).

47854994 is a wasteful number, since it uses less digits than its factorization.

47854994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30721.

The product of its digits is 1451520, while the sum is 50.

The square root of 47854994 is about 6917.7304081613. The cubic root of 47854994 is about 363.0577863872.

It can be divided in two parts, 4785 and 4994, that added together give a palindrome (9779).

The spelling of 47854994 in words is "forty-seven million, eight hundred fifty-four thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 71 142 781 1562 30637 61274 337007 674014 2175227 4350454 23927497 47854994