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220433005 = 51310133577
BaseRepresentation
bin11010010001110…
…00101001101101
3120100210011020101
431020320221231
5422412324010
633512351101
75314435552
oct1510705155
9510704211
10220433005
11103479641
12619a5491
133688c840
14213c0a29
151454373a
hexd238a6d

220433005 has 16 divisors (see below), whose sum is σ = 287696304. Its totient is φ = 161164800.

The previous prime is 220432997. The next prime is 220433021. The reversal of 220433005 is 500334022.

220433005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4137156 + 216295849 = 2034^2 + 14707^2 .

It is not a de Polignac number, because 220433005 - 23 = 220432997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10224 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (17981019).

Almost surely, 2220433005 is an apocalyptic number.

It is an amenable number.

220433005 is a deficient number, since it is larger than the sum of its proper divisors (67263299).

220433005 is a wasteful number, since it uses less digits than its factorization.

220433005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33696.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 220433005 is about 14846.9863945516. The cubic root of 220433005 is about 604.0768700682.

Adding to 220433005 its reverse (500334022), we get a palindrome (720767027).

The spelling of 220433005 in words is "two hundred twenty million, four hundred thirty-three thousand, five".

Divisors: 1 5 13 65 101 505 1313 6565 33577 167885 436501 2182505 3391277 16956385 44086601 220433005