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206039284 = 22112425701
BaseRepresentation
bin11000100011111…
…10100011110100
3112100200212202121
430101332203310
5410221224114
632240045324
75051206423
oct1421764364
9470625677
10206039284
11a6338400
1259003844
13338c0149
141d5152ba
151314da24
hexc47e8f4

206039284 has 18 divisors (see below), whose sum is σ = 396328562. Its totient is φ = 93654000.

The previous prime is 206039279. The next prime is 206039311. The reversal of 206039284 is 482930602.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 59629284 = 12100^2 + 7722^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212367 + ... + 213334.

Almost surely, 2206039284 is an apocalyptic number.

It is an amenable number.

206039284 is a deficient number, since it is larger than the sum of its proper divisors (190289278).

206039284 is a wasteful number, since it uses less digits than its factorization.

206039284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425727 (or 425714 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 206039284 is about 14354.0685521562. The cubic root of 206039284 is about 590.6315978808.

Adding to 206039284 its reverse (482930602), we get a palindrome (688969886).

The spelling of 206039284 in words is "two hundred six million, thirty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 11 22 44 121 242 484 425701 851402 1702804 4682711 9365422 18730844 51509821 103019642 206039284