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206001340 = 22523447829
BaseRepresentation
bin11000100011101…
…01010010111100
3112100121221201021
430101311102330
5410214020330
632235153524
75050660666
oct1421652274
9470557637
10206001340
11a6311946
1258ba58a4
13338a8aac
141d505536
151314267a
hexc4754bc

206001340 has 24 divisors (see below), whose sum is σ = 451412640. Its totient is φ = 78817728.

The previous prime is 206001277. The next prime is 206001353. The reversal of 206001340 is 43100602.

206001340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223455 + ... + 224374.

It is an arithmetic number, because the mean of its divisors is an integer number (18808860).

Almost surely, 2206001340 is an apocalyptic number.

206001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206001340 is an abundant number, since it is smaller than the sum of its proper divisors (245411300).

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

206001340 is a wasteful number, since it uses less digits than its factorization.

206001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447861 (or 447859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 206001340 is about 14352.7467754434. The cubic root of 206001340 is about 590.5953389358.

Adding to 206001340 its reverse (43100602), we get a palindrome (249101942).

The spelling of 206001340 in words is "two hundred six million, one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 447829 895658 1791316 2239145 4478290 8956580 10300067 20600134 41200268 51500335 103000670 206001340