Search a number
-
+
47113745 = 5721031867
BaseRepresentation
bin1011001110111…
…0011000010001
310021122121220112
42303232120101
544030114440
64401451105
71111313600
oct263563021
9107577815
1047113745
112465a288
1213940a95
1399b7773
146385a37
154209965
hex2cee611

47113745 has 24 divisors (see below), whose sum is σ = 66441024. Its totient is φ = 31975776.

The previous prime is 47113697. The next prime is 47113747. The reversal of 47113745 is 54731174.

47113745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47113745 - 28 = 47113489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47113747) 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 23 ways as a sum of consecutive naturals, for example, 24302 + ... + 26168.

It is an arithmetic number, because the mean of its divisors is an integer number (2768376).

Almost surely, 247113745 is an apocalyptic number.

It is an amenable number.

47113745 is a deficient number, since it is larger than the sum of its proper divisors (19327279).

47113745 is a wasteful number, since it uses less digits than its factorization.

47113745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1982 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 47113745 is about 6863.9452940710. The cubic root of 47113745 is about 361.1734982459.

The spelling of 47113745 in words is "forty-seven million, one hundred thirteen thousand, seven hundred forty-five".

Divisors: 1 5 7 35 49 103 245 515 721 1867 3605 5047 9335 13069 25235 65345 91483 192301 457415 961505 1346107 6730535 9422749 47113745