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47271475 = 5217111227
BaseRepresentation
bin1011010001010…
…0111000110011
310021221122021101
42310110320303
544100141400
64405105231
71112541466
oct264247063
9107848241
1047271475
1124757839
12139b8217
139a414b4
1463c72dd
15423b56a
hex2d14e33

47271475 has 12 divisors (see below), whose sum is σ = 62065224. Its totient is φ = 35592320.

The previous prime is 47271473. The next prime is 47271493. The reversal of 47271475 is 57417274.

47271475 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 47271475 - 21 = 47271473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47271473) 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 11 ways as a sum of consecutive naturals, for example, 55189 + ... + 56038.

It is an arithmetic number, because the mean of its divisors is an integer number (5172102).

Almost surely, 247271475 is an apocalyptic number.

47271475 is a deficient number, since it is larger than the sum of its proper divisors (14793749).

47271475 is a wasteful number, since it uses less digits than its factorization.

47271475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111254 (or 111249 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 47271475 is about 6875.4254413818. The cubic root of 47271475 is about 361.5761014949.

The spelling of 47271475 in words is "forty-seven million, two hundred seventy-one thousand, four hundred seventy-five".

Divisors: 1 5 17 25 85 425 111227 556135 1890859 2780675 9454295 47271475