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224303020 = 22522395009
BaseRepresentation
bin11010101111010…
…01011110101100
3120122001202220021
431113221132230
5424410144040
634131331524
75362354444
oct1527513654
9518052807
10224303020
111056821a7
1263150ba4
13376161a6
1421b0b124
1514a5a24a
hexd5e97ac

224303020 has 24 divisors (see below), whose sum is σ = 471340800. Its totient is φ = 89663232.

The previous prime is 224303017. The next prime is 224303021. The reversal of 224303020 is 20303422.

It is a super-2 number, since 2×2243030202 = 100623689562240800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224302985 and 224303003.

It is not an unprimeable number, because it can be changed into a prime (224303021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42276 + ... + 47284.

It is an arithmetic number, because the mean of its divisors is an integer number (19639200).

Almost surely, 2224303020 is an apocalyptic number.

224303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224303020 is an abundant number, since it is smaller than the sum of its proper divisors (247037780).

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

224303020 is a wasteful number, since it uses less digits than its factorization.

224303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257 (or 7255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 224303020 is about 14976.7493135193. The cubic root of 224303020 is about 607.5915243116.

Adding to 224303020 its reverse (20303422), we get a palindrome (244606442).

The spelling of 224303020 in words is "two hundred twenty-four million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 2239 4478 5009 8956 10018 11195 20036 22390 25045 44780 50090 100180 11215151 22430302 44860604 56075755 112151510 224303020