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47281064 = 235910133
BaseRepresentation
bin1011010001011…
…1001110101000
310021222010102112
42310113032220
544100443224
64405221452
71112611445
oct264271650
9107863375
1047281064
1124763a66
1213a01888
139a4597c
1463ca9cc
15423e30e
hex2d173a8

47281064 has 8 divisors (see below), whose sum is σ = 88652010. Its totient is φ = 23640528.

The previous prime is 47281057. The next prime is 47281081. The reversal of 47281064 is 46018274.

47281064 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 only one way, i.e., 27478564 + 19802500 = 5242^2 + 4450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 47281064.

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 as a sum of consecutive naturals, namely, 2955059 + ... + 2955074.

Almost surely, 247281064 is an apocalyptic number.

It is an amenable number.

47281064 is a deficient number, since it is larger than the sum of its proper divisors (41370946).

47281064 is a wasteful number, since it uses less digits than its factorization.

47281064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910139 (or 5910135 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 47281064 is about 6876.1227446869. The cubic root of 47281064 is about 361.6005483650.

The spelling of 47281064 in words is "forty-seven million, two hundred eighty-one thousand, sixty-four".

Divisors: 1 2 4 8 5910133 11820266 23640532 47281064