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206020244 = 224111311117
BaseRepresentation
bin11000100011110…
…01111010010100
3112100122220122102
430101321322110
5410220121434
632235421232
75051100053
oct1421717224
9470586572
10206020244
11a6325071
1258bb4818
13338b4591
141d50c39a
151314807e
hexc479e94

206020244 has 24 divisors (see below), whose sum is σ = 372630888. Its totient is φ = 99599360.

The previous prime is 206020237. The next prime is 206020247. The reversal of 206020244 is 442020602.

206020244 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 4 ways, for example, as 37332100 + 168688144 = 6110^2 + 12988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206020247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12974 + ... + 24090.

It is an arithmetic number, because the mean of its divisors is an integer number (15526287).

Almost surely, 2206020244 is an apocalyptic number.

It is an amenable number.

206020244 is a deficient number, since it is larger than the sum of its proper divisors (166610644).

206020244 is a wasteful number, since it uses less digits than its factorization.

206020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275 (or 11273 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 206020244 is about 14353.4053102391. The cubic root of 206020244 is about 590.6134039846.

Adding to 206020244 its reverse (442020602), we get a palindrome (648040846).

The spelling of 206020244 in words is "two hundred six million, twenty thousand, two hundred forty-four".

Divisors: 1 2 4 41 82 113 164 226 452 4633 9266 11117 18532 22234 44468 455797 911594 1256221 1823188 2512442 5024884 51505061 103010122 206020244