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70914913 is a prime number
BaseRepresentation
bin1000011101000…
…01001101100001
311221102211222021
410032201031201
5121123234123
611011541441
71520524006
oct416411541
9157384867
1070914913
1137036473
121b8ba881
13118cc0b4
1495bd8ad
15635bc5d
hex43a1361

70914913 has 2 divisors, whose sum is σ = 70914914. Its totient is φ = 70914912.

The previous prime is 70914863. The next prime is 70914923. The reversal of 70914913 is 31941907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61105489 + 9809424 = 7817^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 70914913 - 213 = 70906721 is a prime.

It is not a weakly prime, because it can be changed into another prime (70914923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35457456 + 35457457.

It is an arithmetic number, because the mean of its divisors is an integer number (35457457).

Almost surely, 270914913 is an apocalyptic number.

It is an amenable number.

70914913 is a deficient number, since it is larger than the sum of its proper divisors (1).

70914913 is an equidigital number, since it uses as much as digits as its factorization.

70914913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 70914913 is about 8421.0992750353. The cubic root of 70914913 is about 413.9162957880.

The spelling of 70914913 in words is "seventy million, nine hundred fourteen thousand, nine hundred thirteen".