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47054975 = 52111391231
BaseRepresentation
bin1011001110000…
…0000001111111
310021112122021212
42303200001333
544021224400
64400315035
71110650342
oct263400177
9107478255
1047054975
112461a110
1213912a7b
139996aa6
14636c459
1541e7335
hex2ce007f

47054975 has 24 divisors (see below), whose sum is σ = 64162560. Its totient is φ = 33948000.

The previous prime is 47054947. The next prime is 47054989. The reversal of 47054975 is 57945074.

47054975 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 47054975 - 26 = 47054911 is a prime.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 37610 + ... + 38840.

It is an arithmetic number, because the mean of its divisors is an integer number (2673440).

Almost surely, 247054975 is an apocalyptic number.

47054975 is a deficient number, since it is larger than the sum of its proper divisors (17107585).

47054975 is a wasteful number, since it uses less digits than its factorization.

47054975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 47054975 is about 6859.6628925917. The cubic root of 47054975 is about 361.0232590145.

The spelling of 47054975 in words is "forty-seven million, fifty-four thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 139 275 695 1231 1529 3475 6155 7645 13541 30775 38225 67705 171109 338525 855545 1882199 4277725 9410995 47054975