Search a number
-
+
83788933 is a prime number
BaseRepresentation
bin1001111111010…
…00010010000101
312211122220210211
410333220102011
5132422221213
612151515421
72035123414
oct477502205
9184586724
1083788933
1143329958
1224088b71
1314488b67
14b1b147b
15755153d
hex4fe8485

83788933 has 2 divisors, whose sum is σ = 83788934. Its totient is φ = 83788932.

The previous prime is 83788883. The next prime is 83788949. The reversal of 83788933 is 33988738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 5678689 = 8838^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 83788933 - 225 = 50234501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83788963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41894466 + 41894467.

It is an arithmetic number, because the mean of its divisors is an integer number (41894467).

Almost surely, 283788933 is an apocalyptic number.

It is an amenable number.

83788933 is a deficient number, since it is larger than the sum of its proper divisors (1).

83788933 is an equidigital number, since it uses as much as digits as its factorization.

83788933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 83788933 is about 9153.6294987289. The cubic root of 83788933 is about 437.5847920552.

The spelling of 83788933 in words is "eighty-three million, seven hundred eighty-eight thousand, nine hundred thirty-three".