Search a number
-
+
30255203 = 112250043
BaseRepresentation
bin111001101101…
…0100001100011
32002221010100002
41303122201203
530221131303
63000250215
7515110406
oct163324143
962833302
1030255203
1116095200
12a17096b
1363641b4
144037d3d
1529c9788
hex1cda863

30255203 has 6 divisors (see below), whose sum is σ = 33255852. Its totient is φ = 27504620.

The previous prime is 30255167. The next prime is 30255229.

30255203 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 30255203 - 26 = 30255139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30255403) 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 5 ways as a sum of consecutive naturals, for example, 124901 + ... + 125142.

It is an arithmetic number, because the mean of its divisors is an integer number (5542642).

Almost surely, 230255203 is an apocalyptic number.

30255203 is a deficient number, since it is larger than the sum of its proper divisors (3000649).

30255203 is a wasteful number, since it uses less digits than its factorization.

30255203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250065 (or 250054 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30255203 is about 5500.4729796627. The cubic root of 30255203 is about 311.6018473428.

It can be divided in two parts, 3025 and 5203, that added together give a palindrome (8228).

The spelling of 30255203 in words is "thirty million, two hundred fifty-five thousand, two hundred three".

Divisors: 1 11 121 250043 2750473 30255203