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72683203 is a prime number
BaseRepresentation
bin1000101010100…
…00111011000011
312001202200121111
410111100323003
5122101330303
611113504151
71541540245
oct425207303
9161680544
1072683203
1138033a6a
1220412057
131209ac18
149920095
1565aab6d
hex4550ec3

72683203 has 2 divisors, whose sum is σ = 72683204. Its totient is φ = 72683202.

The previous prime is 72683111. The next prime is 72683209. The reversal of 72683203 is 30238627.

It is a strong prime.

It is an emirp because it is prime and its reverse (30238627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72683203 - 213 = 72675011 is a prime.

It is not a weakly prime, because it can be changed into another prime (72683209) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36341601 + 36341602.

It is an arithmetic number, because the mean of its divisors is an integer number (36341602).

Almost surely, 272683203 is an apocalyptic number.

72683203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72683203 is an equidigital number, since it uses as much as digits as its factorization.

72683203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 72683203 is about 8525.4444458925. Note that the first 5 decimals coincide. The cubic root of 72683203 is about 417.3284758020.

The spelling of 72683203 in words is "seventy-two million, six hundred eighty-three thousand, two hundred three".