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47788841 is a prime number
BaseRepresentation
bin1011011001001…
…1001100101001
310022220220222002
42312103030221
544213220331
64424140345
71120125032
oct266231451
9108826862
1047788841
1124a80511
12140076b5
139b92b29
1464bda89
1542de9cb
hex2d93329

47788841 has 2 divisors, whose sum is σ = 47788842. Its totient is φ = 47788840.

The previous prime is 47788837. The next prime is 47788847. The reversal of 47788841 is 14888774.

47788841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 10530025 = 6104^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 47788841 - 22 = 47788837 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47788847) 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 as a sum of consecutive naturals, namely, 23894420 + 23894421.

It is an arithmetic number, because the mean of its divisors is an integer number (23894421).

Almost surely, 247788841 is an apocalyptic number.

It is an amenable number.

47788841 is a deficient number, since it is larger than the sum of its proper divisors (1).

47788841 is an equidigital number, since it uses as much as digits as its factorization.

47788841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 401408, while the sum is 47.

The square root of 47788841 is about 6912.9473453803. The cubic root of 47788841 is about 362.8904166231.

The spelling of 47788841 in words is "forty-seven million, seven hundred eighty-eight thousand, eight hundred forty-one".