Search a number
-
+
545330244 = 22345444187
BaseRepresentation
bin100000100000010…
…001010001000100
31102000010122110110
4200200101101010
52104101031434
6130040153020
716341142044
oct4040212104
91360118413
10545330244
1125a908758
12132768770
1388c96b24
14525d5724
1532d1e4e9
hex20811444

545330244 has 12 divisors (see below), whose sum is σ = 1272437264. Its totient is φ = 181776744.

The previous prime is 545330183. The next prime is 545330273. The reversal of 545330244 is 442033545.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22722082 + ... + 22722105.

Almost surely, 2545330244 is an apocalyptic number.

It is an amenable number.

545330244 is an abundant number, since it is smaller than the sum of its proper divisors (727107020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545330244 is a wasteful number, since it uses less digits than its factorization.

545330244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45444194 (or 45444192 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 545330244 is about 23352.3070380637. The cubic root of 545330244 is about 816.9958705728.

Adding to 545330244 its reverse (442033545), we get a palindrome (987363789).

The spelling of 545330244 in words is "five hundred forty-five million, three hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 45444187 90888374 136332561 181776748 272665122 545330244