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70247159 is a prime number
BaseRepresentation
bin1000010111111…
…10001011110111
311220011220222122
410023332023313
5120440402114
610545350155
71512043133
oct413761367
9156156878
1070247159
113671a804
121b63835b
1311727188
1494883c3
156278e8e
hex42fe2f7

70247159 has 2 divisors, whose sum is σ = 70247160. Its totient is φ = 70247158.

The previous prime is 70247141. The next prime is 70247171. The reversal of 70247159 is 95174207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70247159 - 224 = 53469943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70247059) 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, 35123579 + 35123580.

It is an arithmetic number, because the mean of its divisors is an integer number (35123580).

Almost surely, 270247159 is an apocalyptic number.

70247159 is a deficient number, since it is larger than the sum of its proper divisors (1).

70247159 is an equidigital number, since it uses as much as digits as its factorization.

70247159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 70247159 is about 8381.3578255555. The cubic root of 70247159 is about 412.6130139074.

The spelling of 70247159 in words is "seventy million, two hundred forty-seven thousand, one hundred fifty-nine".