Search a number
-
+
30053273 = 229263499
BaseRepresentation
bin111001010100…
…1001110011001
32002112212100012
41302221032121
530143201043
62552051305
7513306605
oct162511631
962485305
1030053273
1115a67518
12a093b35
1362c3303
143dc4505
152989a18
hex1ca9399

30053273 has 8 divisors (see below), whose sum is σ = 30360000. Its totient is φ = 29748528.

The previous prime is 30053267. The next prime is 30053281. The reversal of 30053273 is 37235003.

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 30053273 - 26 = 30053209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30053293) 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, 59978 + ... + 60476.

It is an arithmetic number, because the mean of its divisors is an integer number (3795000).

Almost surely, 230053273 is an apocalyptic number.

It is an amenable number.

30053273 is a deficient number, since it is larger than the sum of its proper divisors (306727).

30053273 is a wasteful number, since it uses less digits than its factorization.

30053273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 1890, while the sum is 23.

The square root of 30053273 is about 5482.0865553181. The cubic root of 30053273 is about 310.9070658309.

Adding to 30053273 its reverse (37235003), we get a palindrome (67288276).

The spelling of 30053273 in words is "thirty million, fifty-three thousand, two hundred seventy-three".

Divisors: 1 229 263 499 60227 114271 131237 30053273