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47280953 is a prime number
BaseRepresentation
bin1011010001011…
…1001100111001
310021222010021102
42310113030321
544100442303
64405221145
71112611226
oct264271471
9107863242
1047280953
1124763975
1213a017b5
139a458c5
1463ca94d
15423e288
hex2d17339

47280953 has 2 divisors, whose sum is σ = 47280954. Its totient is φ = 47280952.

The previous prime is 47280923. The next prime is 47280971. The reversal of 47280953 is 35908274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 18207289 = 5392^2 + 4267^2 .

It is a cyclic number.

It is not a de Polignac number, because 47280953 - 28 = 47280697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47280923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23640476 + 23640477.

It is an arithmetic number, because the mean of its divisors is an integer number (23640477).

Almost surely, 247280953 is an apocalyptic number.

It is an amenable number.

47280953 is a deficient number, since it is larger than the sum of its proper divisors (1).

47280953 is an equidigital number, since it uses as much as digits as its factorization.

47280953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 47280953 is about 6876.1146732730. The cubic root of 47280953 is about 361.6002653927.

The spelling of 47280953 in words is "forty-seven million, two hundred eighty thousand, nine hundred fifty-three".