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70045379 is a prime number
BaseRepresentation
bin1000010110011…
…00111011000011
311212210200012022
410023030323003
5120412423004
610541152055
71510242635
oct413147303
9155720168
1070045379
11365a2148
121b55b62b
1311686391
149434a55
1562392be
hex42ccec3

70045379 has 2 divisors, whose sum is σ = 70045380. Its totient is φ = 70045378.

The previous prime is 70045363. The next prime is 70045433. The reversal of 70045379 is 97354007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70045379 - 24 = 70045363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70045309) 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, 35022689 + 35022690.

It is an arithmetic number, because the mean of its divisors is an integer number (35022690).

Almost surely, 270045379 is an apocalyptic number.

70045379 is a deficient number, since it is larger than the sum of its proper divisors (1).

70045379 is an equidigital number, since it uses as much as digits as its factorization.

70045379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 70045379 is about 8369.3117399222. The cubic root of 70045379 is about 412.2175677937.

The spelling of 70045379 in words is "seventy million, forty-five thousand, three hundred seventy-nine".