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206020050 = 23521797673
BaseRepresentation
bin11000100011110…
…01110111010010
3112100122220101020
430101321313102
5410220120200
632235420310
75051066355
oct1421716722
9470586336
10206020050
11a6324a05
1258bb4696
13338b4472
141d50c29c
1513147ea0
hexc479dd2

206020050 has 48 divisors (see below), whose sum is σ = 513851040. Its totient is φ = 54624640.

The previous prime is 206020037. The next prime is 206020057. The reversal of 206020050 is 50020602.

206020050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2060200502 = 84888522004005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (206020057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23014 + ... + 30686.

It is an arithmetic number, because the mean of its divisors is an integer number (10705230).

Almost surely, 2206020050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206020050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256925520).

206020050 is an abundant number, since it is smaller than the sum of its proper divisors (307830990).

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

206020050 is a wasteful number, since it uses less digits than its factorization.

206020050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7867 (or 7862 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 206020050 is about 14353.3985522593. The cubic root of 206020050 is about 590.6132185999.

Adding to 206020050 its reverse (50020602), we get a palindrome (256040652).

The spelling of 206020050 in words is "two hundred six million, twenty thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 179 358 537 895 1074 1790 2685 4475 5370 7673 8950 13425 15346 23019 26850 38365 46038 76730 115095 191825 230190 383650 575475 1150950 1373467 2746934 4120401 6867335 8240802 13734670 20602005 34336675 41204010 68673350 103010025 206020050