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7985297 is a prime number
BaseRepresentation
bin11110011101100010010001
3120000200202202
4132131202101
54021012142
6443052545
7124605515
oct36354221
916020682
107985297
114564521
122811155
131867838
1410bc145
15a7b032
hex79d891

7985297 has 2 divisors, whose sum is σ = 7985298. Its totient is φ = 7985296.

The previous prime is 7985293. The next prime is 7985309. The reversal of 7985297 is 7925897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5013121 + 2972176 = 2239^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 7985297 - 22 = 7985293 is a prime.

It is not a weakly prime, because it can be changed into another prime (7985293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992648 + 3992649.

It is an arithmetic number, because the mean of its divisors is an integer number (3992649).

Almost surely, 27985297 is an apocalyptic number.

It is an amenable number.

7985297 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985297 is an equidigital number, since it uses as much as digits as its factorization.

7985297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 7985297 is about 2825.8267816694. The cubic root of 7985297 is about 199.8773998614.

The spelling of 7985297 in words is "seven million, nine hundred eighty-five thousand, two hundred ninety-seven".