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83481049 is a prime number
BaseRepresentation
bin1001111100111…
…01000111011001
312211002021110201
410332131013121
5132332343144
612141142201
72032401661
oct476350731
9184067421
1083481049
1143139603
1223b5a961
13143ab992
14b1311a1
1574e01d4
hex4f9d1d9

83481049 has 2 divisors, whose sum is σ = 83481050. Its totient is φ = 83481048.

The previous prime is 83481031. The next prime is 83481091. The reversal of 83481049 is 94018438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 8225424 = 8675^2 + 2868^2 .

It is a cyclic number.

It is not a de Polignac number, because 83481049 - 27 = 83480921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83480999 and 83481017.

It is not a weakly prime, because it can be changed into another prime (83487049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41740524 + 41740525.

It is an arithmetic number, because the mean of its divisors is an integer number (41740525).

Almost surely, 283481049 is an apocalyptic number.

It is an amenable number.

83481049 is a deficient number, since it is larger than the sum of its proper divisors (1).

83481049 is an equidigital number, since it uses as much as digits as its factorization.

83481049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 83481049 is about 9136.7964298216. The cubic root of 83481049 is about 437.0481630680.

The spelling of 83481049 in words is "eighty-three million, four hundred eighty-one thousand, forty-nine".