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47491883 is a prime number
BaseRepresentation
bin1011010100101…
…0101100101011
310022100211121122
42311022230223
544124220013
64413525455
71114450205
oct265125453
9108324548
1047491883
112489839a
1213aa388b
139aba90a
146443775
154281a08
hex2d4ab2b

47491883 has 2 divisors, whose sum is σ = 47491884. Its totient is φ = 47491882.

The previous prime is 47491861. The next prime is 47491891. The reversal of 47491883 is 38819474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47491883 - 26 = 47491819 is a prime.

It is a super-3 number, since 3×474918833 (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (47497883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23745941 + 23745942.

It is an arithmetic number, because the mean of its divisors is an integer number (23745942).

Almost surely, 247491883 is an apocalyptic number.

47491883 is a deficient number, since it is larger than the sum of its proper divisors (1).

47491883 is an equidigital number, since it uses as much as digits as its factorization.

47491883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 47491883 is about 6891.4354818136. The cubic root of 47491883 is about 362.1371919791.

The spelling of 47491883 in words is "forty-seven million, four hundred ninety-one thousand, eight hundred eighty-three".