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70247413 is a prime number
BaseRepresentation
bin1000010111111…
…10001111110101
311220011221100001
410023332033311
5120440404123
610545351301
71512043645
oct413761765
9156157301
1070247413
113671aa15
121b638531
1311727322
149488525
1562790ad
hex42fe3f5

70247413 has 2 divisors, whose sum is σ = 70247414. Its totient is φ = 70247412.

The previous prime is 70247393. The next prime is 70247431. The reversal of 70247413 is 31474207.

Together with next prime (70247431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 29517489 = 6382^2 + 5433^2 .

It is a cyclic number.

It is not a de Polignac number, because 70247413 - 29 = 70246901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70247113) 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, 35123706 + 35123707.

It is an arithmetic number, because the mean of its divisors is an integer number (35123707).

Almost surely, 270247413 is an apocalyptic number.

It is an amenable number.

70247413 is a deficient number, since it is larger than the sum of its proper divisors (1).

70247413 is an equidigital number, since it uses as much as digits as its factorization.

70247413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 70247413 is about 8381.3729782178. The cubic root of 70247413 is about 412.6135112161.

The spelling of 70247413 in words is "seventy million, two hundred forty-seven thousand, four hundred thirteen".