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80983297 is a prime number
BaseRepresentation
bin1001101001110…
…11010100000001
312122101101012101
410310323110001
5131212431142
612011430401
72002226623
oct464732401
9178341171
1080983297
1141792a4a
1223155401
1313a15b15
14aa80c13
15719a0b7
hex4d3b501

80983297 has 2 divisors, whose sum is σ = 80983298. Its totient is φ = 80983296.

The previous prime is 80983289. The next prime is 80983307. The reversal of 80983297 is 79238908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80982001 + 1296 = 8999^2 + 36^2 .

It is a cyclic number.

It is not a de Polignac number, because 80983297 - 23 = 80983289 is a prime.

It is a super-3 number, since 3×809832973 (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (80983247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40491648 + 40491649.

It is an arithmetic number, because the mean of its divisors is an integer number (40491649).

Almost surely, 280983297 is an apocalyptic number.

It is an amenable number.

80983297 is a deficient number, since it is larger than the sum of its proper divisors (1).

80983297 is an equidigital number, since it uses as much as digits as its factorization.

80983297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 80983297 is about 8999.0720077128. The cubic root of 80983297 is about 432.6451284371.

The spelling of 80983297 in words is "eighty million, nine hundred eighty-three thousand, two hundred ninety-seven".