Search a number
-
+
30206087 is a prime number
BaseRepresentation
bin111001100111…
…0100010000111
32002211121221222
41303032202013
530213043322
62555230555
7514514252
oct163164207
962747858
1030206087
111606130a
12a14845b
136347a32
144024099
1529b9e42
hex1cce887

30206087 has 2 divisors, whose sum is σ = 30206088. Its totient is φ = 30206086.

The previous prime is 30206083. The next prime is 30206117. The reversal of 30206087 is 78060203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30206087 - 22 = 30206083 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30206083) 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, 15103043 + 15103044.

It is an arithmetic number, because the mean of its divisors is an integer number (15103044).

Almost surely, 230206087 is an apocalyptic number.

30206087 is a deficient number, since it is larger than the sum of its proper divisors (1).

30206087 is an equidigital number, since it uses as much as digits as its factorization.

30206087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30206087 is about 5496.0064592393. The cubic root of 30206087 is about 311.4331388884.

The spelling of 30206087 in words is "thirty million, two hundred six thousand, eighty-seven".