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70916297 is a prime number
BaseRepresentation
bin1000011101000…
…01100011001001
311221102220212112
410032201203021
5121123310142
611011552105
71520531024
oct416414311
9157386775
1070916297
1137037511
121b8bb635
13118cc90a
1495c01bb
15635c382
hex43a18c9

70916297 has 2 divisors, whose sum is σ = 70916298. Its totient is φ = 70916296.

The previous prime is 70916267. The next prime is 70916311. The reversal of 70916297 is 79261907.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 17172736 = 7331^2 + 4144^2 .

It is an emirp because it is prime and its reverse (79261907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70916297 - 26 = 70916233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70916267) 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, 35458148 + 35458149.

It is an arithmetic number, because the mean of its divisors is an integer number (35458149).

Almost surely, 270916297 is an apocalyptic number.

It is an amenable number.

70916297 is a deficient number, since it is larger than the sum of its proper divisors (1).

70916297 is an equidigital number, since it uses as much as digits as its factorization.

70916297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 70916297 is about 8421.1814491792. The cubic root of 70916297 is about 413.9189884817.

The spelling of 70916297 in words is "seventy million, nine hundred sixteen thousand, two hundred ninety-seven".