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70430147 is a prime number
BaseRepresentation
bin1000011001010…
…10110111000011
311220112012222222
410030222313003
5121012231042
610553321255
71513434464
oct414526703
9156465888
1070430147
1136835237
121b70622b
131178c558
1494d4d6b
1562b32d2
hex432adc3

70430147 has 2 divisors, whose sum is σ = 70430148. Its totient is φ = 70430146.

The previous prime is 70430077. The next prime is 70430153. The reversal of 70430147 is 74103407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70430147 - 210 = 70429123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70439147) 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, 35215073 + 35215074.

It is an arithmetic number, because the mean of its divisors is an integer number (35215074).

Almost surely, 270430147 is an apocalyptic number.

70430147 is a deficient number, since it is larger than the sum of its proper divisors (1).

70430147 is an equidigital number, since it uses as much as digits as its factorization.

70430147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 70430147 is about 8392.2670953682. The cubic root of 70430147 is about 412.9709774469.

The spelling of 70430147 in words is "seventy million, four hundred thirty thousand, one hundred forty-seven".