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47471305 = 5753157163
BaseRepresentation
bin1011010100010…
…1101011001001
310022022210101111
42311011223021
544123040210
64413250321
71114333210
oct265055311
9108283344
1047471305
1124883992
1213a939a1
139ab143b
14643a077
15427a88a
hex2d45ac9

47471305 has 32 divisors (see below), whose sum is σ = 67163904. Its totient is φ = 31539456.

The previous prime is 47471273. The next prime is 47471357. The reversal of 47471305 is 50317474.

47471305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47471305 - 25 = 47471273 is a prime.

It is a Duffinian number.

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 in 31 ways as a sum of consecutive naturals, for example, 291154 + ... + 291316.

It is an arithmetic number, because the mean of its divisors is an integer number (2098872).

Almost surely, 247471305 is an apocalyptic number.

It is an amenable number.

47471305 is a deficient number, since it is larger than the sum of its proper divisors (19692599).

47471305 is a wasteful number, since it uses less digits than its factorization.

47471305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47471305 is about 6889.9423074508. The cubic root of 47471305 is about 362.0848803331.

Adding to 47471305 its reverse (50317474), we get a palindrome (97788779).

The spelling of 47471305 in words is "forty-seven million, four hundred seventy-one thousand, three hundred five".

Divisors: 1 5 7 35 53 157 163 265 371 785 815 1099 1141 1855 5495 5705 8321 8639 25591 41605 43195 58247 60473 127955 179137 291235 302365 895685 1356323 6781615 9494261 47471305