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83828249 is a prime number
BaseRepresentation
bin1001111111100…
…01111000011001
312211201220201222
410333301320121
5132430000444
612152421425
72035346141
oct477617031
9184656658
1083828249
114335644a
12240a7875
13144a0a1b
14b1c1921
15755ceee
hex4ff1e19

83828249 has 2 divisors, whose sum is σ = 83828250. Its totient is φ = 83828248.

The previous prime is 83828237. The next prime is 83828267. The reversal of 83828249 is 94282838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 15054400 = 8293^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83828249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83828449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41914124 + 41914125.

It is an arithmetic number, because the mean of its divisors is an integer number (41914125).

Almost surely, 283828249 is an apocalyptic number.

It is an amenable number.

83828249 is a deficient number, since it is larger than the sum of its proper divisors (1).

83828249 is an equidigital number, since it uses as much as digits as its factorization.

83828249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 83828249 is about 9155.7768102985. The cubic root of 83828249 is about 437.6532235011.

The spelling of 83828249 in words is "eighty-three million, eight hundred twenty-eight thousand, two hundred forty-nine".