Search a number
-
+
243024100 = 225211220931
BaseRepresentation
bin11100111110001…
…00000011100100
3121221021220101121
432133010003210
5444203232400
640040503324
76010446034
oct1637040344
9557256347
10243024100
111151a9670
126947ab44
133b46c457
14243c18c4
151650721a
hexe7c40e4

243024100 has 36 divisors (see below), whose sum is σ = 575306928. Its totient is φ = 88372000.

The previous prime is 243024077. The next prime is 243024107. The reversal of 243024100 is 1420342.

It is not an unprimeable number, because it can be changed into a prime (243024107) 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 11 ways as a sum of consecutive naturals, for example, 109366 + ... + 111565.

It is an arithmetic number, because the mean of its divisors is an integer number (15980748).

Almost surely, 2243024100 is an apocalyptic number.

243024100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243024100 is an abundant number, since it is smaller than the sum of its proper divisors (332282828).

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

243024100 is a wasteful number, since it uses less digits than its factorization.

243024100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220956 (or 220949 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 243024100 is about 15589.2302568151. The cubic root of 243024100 is about 624.0457758715.

Adding to 243024100 its reverse (1420342), we get a palindrome (244444442).

The spelling of 243024100 in words is "two hundred forty-three million, twenty-four thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 220931 441862 883724 1104655 2209310 2430241 4418620 4860482 5523275 9720964 11046550 12151205 22093100 24302410 48604820 60756025 121512050 243024100