Search a number
-
+
30200165 = 529208277
BaseRepresentation
bin111001100110…
…1000101100101
32002211022211122
41303031011211
530212401130
62555143325
7514461062
oct163150545
962738748
1030200165
1116057916
12a144b45
136345128
144021c69
1529b82e5
hex1ccd165

30200165 has 8 divisors (see below), whose sum is σ = 37490040. Its totient is φ = 23326912.

The previous prime is 30200141. The next prime is 30200167. The reversal of 30200165 is 56100203.

It can be written as a sum of positive squares in 4 ways, for example, as 16129 + 30184036 = 127^2 + 5494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30200165 - 220 = 29151589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200167) 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 in 7 ways as a sum of consecutive naturals, for example, 103994 + ... + 104283.

It is an arithmetic number, because the mean of its divisors is an integer number (4686255).

Almost surely, 230200165 is an apocalyptic number.

It is an amenable number.

30200165 is a deficient number, since it is larger than the sum of its proper divisors (7289875).

30200165 is a wasteful number, since it uses less digits than its factorization.

30200165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208311.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30200165 is about 5495.4676780052. The cubic root of 30200165 is about 311.4127850704.

Adding to 30200165 its reverse (56100203), we get a palindrome (86300368).

The spelling of 30200165 in words is "thirty million, two hundred thousand, one hundred sixty-five".

Divisors: 1 5 29 145 208277 1041385 6040033 30200165