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47280407 is a prime number
BaseRepresentation
bin1011010001011…
…1000100010111
310021222002112012
42310113010113
544100433112
64405214435
71112606516
oct264270427
9107862465
1047280407
1124763519
1213a0141b
139a45595
1463ca67d
15423e022
hex2d17117

47280407 has 2 divisors, whose sum is σ = 47280408. Its totient is φ = 47280406.

The previous prime is 47280403. The next prime is 47280437. The reversal of 47280407 is 70408274.

47280407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47280407 - 22 = 47280403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47280403) 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, 23640203 + 23640204.

It is an arithmetic number, because the mean of its divisors is an integer number (23640204).

Almost surely, 247280407 is an apocalyptic number.

47280407 is a deficient number, since it is larger than the sum of its proper divisors (1).

47280407 is an equidigital number, since it uses as much as digits as its factorization.

47280407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 47280407 is about 6876.0749705046. The cubic root of 47280407 is about 361.5988734685.

The spelling of 47280407 in words is "forty-seven million, two hundred eighty thousand, four hundred seven".