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47542347 = 3210749369
BaseRepresentation
bin1011010101011…
…1000001001011
310022110101211200
42311113001023
544132323342
64414555243
71115050266
oct265270113
9108411750
1047542347
11249222a6
1213b08b23
139b07888
146457cdd
15429194c
hex2d5704b

47542347 has 12 divisors (see below), whose sum is σ = 69315480. Its totient is φ = 31398048.

The previous prime is 47542337. The next prime is 47542361. The reversal of 47542347 is 74324574.

47542347 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 47542347 - 24 = 47542331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47542307) 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, 23722 + ... + 25647.

It is an arithmetic number, because the mean of its divisors is an integer number (5776290).

Almost surely, 247542347 is an apocalyptic number.

47542347 is a deficient number, since it is larger than the sum of its proper divisors (21773133).

47542347 is a wasteful number, since it uses less digits than its factorization.

47542347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49482 (or 49479 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 47542347 is about 6895.0958659035. The cubic root of 47542347 is about 362.2654133443.

The spelling of 47542347 in words is "forty-seven million, five hundred forty-two thousand, three hundred forty-seven".

Divisors: 1 3 9 107 321 963 49369 148107 444321 5282483 15847449 47542347