Search a number
-
+
72523883 is a prime number
BaseRepresentation
bin1000101001010…
…10000001101011
312001110121001202
410110222001223
5122031231013
611110234415
71540304615
oct424520153
9161417052
1072523883
1137a352a3
1220355a0b
1312043553
1498bbdb5
156578858
hex452a06b

72523883 has 2 divisors, whose sum is σ = 72523884. Its totient is φ = 72523882.

The previous prime is 72523879. The next prime is 72523901. The reversal of 72523883 is 38832527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72523883 - 22 = 72523879 is a prime.

It is not a weakly prime, because it can be changed into another prime (72523183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261941 + 36261942.

It is an arithmetic number, because the mean of its divisors is an integer number (36261942).

Almost surely, 272523883 is an apocalyptic number.

72523883 is a deficient number, since it is larger than the sum of its proper divisors (1).

72523883 is an equidigital number, since it uses as much as digits as its factorization.

72523883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 72523883 is about 8516.0955255328. The cubic root of 72523883 is about 417.0233277536.

The spelling of 72523883 in words is "seventy-two million, five hundred twenty-three thousand, eight hundred eighty-three".