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83304281 is a prime number
BaseRepresentation
bin1001111011100…
…01111101011001
312210202021222202
410331301331121
5132311214111
612133255545
72031034424
oct475617531
9183667882
1083304281
1143028815
1223a945b5
1314349398
14b0c69bb
1574a7b3b
hex4f71f59

83304281 has 2 divisors, whose sum is σ = 83304282. Its totient is φ = 83304280.

The previous prime is 83304241. The next prime is 83304293. The reversal of 83304281 is 18240338.

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., 55636681 + 27667600 = 7459^2 + 5260^2 .

It is a cyclic number.

It is not a de Polignac number, because 83304281 - 210 = 83303257 is a prime.

It is a super-2 number, since 2×833042812 = 13879206465853922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83304241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41652140 + 41652141.

It is an arithmetic number, because the mean of its divisors is an integer number (41652141).

Almost surely, 283304281 is an apocalyptic number.

It is an amenable number.

83304281 is a deficient number, since it is larger than the sum of its proper divisors (1).

83304281 is an equidigital number, since it uses as much as digits as its factorization.

83304281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 83304281 is about 9127.1178912075. The cubic root of 83304281 is about 436.7394673666.

The spelling of 83304281 in words is "eighty-three million, three hundred four thousand, two hundred eighty-one".