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73085297 is a prime number
BaseRepresentation
bin1000101101100…
…11000101110001
312002112010011212
410112303011301
5122202212142
611130245505
71545133445
oct426630561
9162463155
1073085297
113828907a
1220586895
13121abc4c
1499c6825
156639d82
hex45b3171

73085297 has 2 divisors, whose sum is σ = 73085298. Its totient is φ = 73085296.

The previous prime is 73085291. The next prime is 73085377. The reversal of 73085297 is 79258037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 15689521 = 7576^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 73085297 - 24 = 73085281 is a prime.

It is a super-3 number, since 3×730852973 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (73085291) 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, 36542648 + 36542649.

It is an arithmetic number, because the mean of its divisors is an integer number (36542649).

Almost surely, 273085297 is an apocalyptic number.

It is an amenable number.

73085297 is a deficient number, since it is larger than the sum of its proper divisors (1).

73085297 is an equidigital number, since it uses as much as digits as its factorization.

73085297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 73085297 is about 8548.9939174151. The cubic root of 73085297 is about 418.0966348620.

The spelling of 73085297 in words is "seventy-three million, eighty-five thousand, two hundred ninety-seven".