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47380973 is a prime number
BaseRepresentation
bin1011010010111…
…1100111101101
310022011012110212
42310233213231
544112142343
64411312205
71113505643
oct264574755
9108135425
1047380973
1124822032
1213a4b665
139a7c2a3
146415193
15425dc18
hex2d2f9ed

47380973 has 2 divisors, whose sum is σ = 47380974. Its totient is φ = 47380972.

The previous prime is 47380951. The next prime is 47380981. The reversal of 47380973 is 37908374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 3052009 = 6658^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 47380973 - 212 = 47376877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47380973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47380903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23690486 + 23690487.

It is an arithmetic number, because the mean of its divisors is an integer number (23690487).

Almost surely, 247380973 is an apocalyptic number.

It is an amenable number.

47380973 is a deficient number, since it is larger than the sum of its proper divisors (1).

47380973 is an equidigital number, since it uses as much as digits as its factorization.

47380973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 47380973 is about 6883.3838335516. The cubic root of 47380973 is about 361.8550669775.

The spelling of 47380973 in words is "forty-seven million, three hundred eighty thousand, nine hundred seventy-three".