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47045123 is a prime number
BaseRepresentation
bin1011001101110…
…1101000000011
310021112010202222
42303131220003
544020420443
64400201255
71110606536
oct263355003
9107463688
1047045123
1124612774
121390922b
139992468
146368a1d
1541e4468
hex2cdda03

47045123 has 2 divisors, whose sum is σ = 47045124. Its totient is φ = 47045122.

The previous prime is 47045059. The next prime is 47045153. The reversal of 47045123 is 32154074.

47045123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47045123 - 26 = 47045059 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 47045092 and 47045101.

It is not a weakly prime, because it can be changed into another prime (47045153) 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 as a sum of consecutive naturals, namely, 23522561 + 23522562.

It is an arithmetic number, because the mean of its divisors is an integer number (23522562).

Almost surely, 247045123 is an apocalyptic number.

47045123 is a deficient number, since it is larger than the sum of its proper divisors (1).

47045123 is an equidigital number, since it uses as much as digits as its factorization.

47045123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 47045123 is about 6858.9447439092. The cubic root of 47045123 is about 360.9980611872.

Adding to 47045123 its reverse (32154074), we get a palindrome (79199197).

The spelling of 47045123 in words is "forty-seven million, forty-five thousand, one hundred twenty-three".