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47981875 = 5476771
BaseRepresentation
bin1011011100001…
…0010100110011
310100021201202111
42313002110303
544240410000
64432230151
71121560564
oct267022463
9110251674
1047981875
11250a2547
121409b357
139c2c956
14653016b
15432bcba
hex2dc2533

47981875 has 10 divisors (see below), whose sum is σ = 59958932. Its totient is φ = 38385000.

The previous prime is 47981873. The next prime is 47981881. The reversal of 47981875 is 57818974.

47981875 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 47981875 - 21 = 47981873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47981873) 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 9 ways as a sum of consecutive naturals, for example, 37761 + ... + 39010.

Almost surely, 247981875 is an apocalyptic number.

47981875 is a deficient number, since it is larger than the sum of its proper divisors (11977057).

47981875 is an frugal number, since it uses more digits than its factorization.

47981875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76791 (or 76776 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The square root of 47981875 is about 6926.8950475664. The cubic root of 47981875 is about 363.3783693204.

The spelling of 47981875 in words is "forty-seven million, nine hundred eighty-one thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 625 76771 383855 1919275 9596375 47981875