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220243244 = 221319072221
BaseRepresentation
bin11010010000010…
…10010100101100
3120100102111221012
431020022110230
5422340240434
633504324352
75313015404
oct1510122454
9510374835
10220243244
1110335a011
12619136b8
1336824360
1421371804
15145073ce
hexd20a52c

220243244 has 24 divisors (see below), whose sum is σ = 415478448. Its totient is φ = 101551680.

The previous prime is 220243241. The next prime is 220243259. The reversal of 220243244 is 442342022.

It is not an unprimeable number, because it can be changed into a prime (220243241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98054 + ... + 100274.

It is an arithmetic number, because the mean of its divisors is an integer number (17311602).

Almost surely, 2220243244 is an apocalyptic number.

It is an amenable number.

220243244 is a deficient number, since it is larger than the sum of its proper divisors (195235204).

220243244 is a wasteful number, since it uses less digits than its factorization.

220243244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 220243244 is about 14840.5944624870. The cubic root of 220243244 is about 603.9034793063.

Adding to 220243244 its reverse (442342022), we get a palindrome (662585266).

The spelling of 220243244 in words is "two hundred twenty million, two hundred forty-three thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 1907 2221 3814 4442 7628 8884 24791 28873 49582 57746 99164 115492 4235447 8470894 16941788 55060811 110121622 220243244