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213080297 is a prime number
BaseRepresentation
bin11001011001101…
…01100011101001
3112211221121012212
430230311203221
5414022032142
633051014505
75165103233
oct1454654351
9484847185
10213080297
11aa307421
125b43a435
13351b6c21
1420429253
1513a8ed82
hexcb358e9

213080297 has 2 divisors, whose sum is σ = 213080298. Its totient is φ = 213080296.

The previous prime is 213080279. The next prime is 213080327. The reversal of 213080297 is 792080312.

Together with previous prime (213080279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142587481 + 70492816 = 11941^2 + 8396^2 .

It is a cyclic number.

It is not a de Polignac number, because 213080297 - 216 = 213014761 is a prime.

It is not a weakly prime, because it can be changed into another prime (213080207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106540148 + 106540149.

It is an arithmetic number, because the mean of its divisors is an integer number (106540149).

Almost surely, 2213080297 is an apocalyptic number.

It is an amenable number.

213080297 is a deficient number, since it is larger than the sum of its proper divisors (1).

213080297 is an equidigital number, since it uses as much as digits as its factorization.

213080297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 213080297 is about 14597.2701900047. The cubic root of 213080297 is about 597.2842981132.

The spelling of 213080297 in words is "two hundred thirteen million, eighty thousand, two hundred ninety-seven".