Search a number
-
+
206107620 = 22353838969
BaseRepresentation
bin11000100100011…
…11001111100100
3112100211100111120
430102033033210
5410230420440
632241333540
75051612565
oct1422171744
9470740446
10206107620
11a6384784
12590372b0
1333915294
141d53216c
1513163dd0
hexc48f3e4

206107620 has 48 divisors (see below), whose sum is σ = 578672640. Its totient is φ = 54812416.

The previous prime is 206107597. The next prime is 206107621. The reversal of 206107620 is 26701602.

It is a happy number.

206107620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206107621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18496 + ... + 27464.

It is an arithmetic number, because the mean of its divisors is an integer number (12055680).

Almost surely, 2206107620 is an apocalyptic number.

206107620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206107620 is an abundant number, since it is smaller than the sum of its proper divisors (372565020).

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

206107620 is a wasteful number, since it uses less digits than its factorization.

206107620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 206107620 is about 14356.4487252245. The cubic root of 206107620 is about 590.6968879212.

The spelling of 206107620 in words is "two hundred six million, one hundred seven thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 383 766 1149 1532 1915 2298 3830 4596 5745 7660 8969 11490 17938 22980 26907 35876 44845 53814 89690 107628 134535 179380 269070 538140 3435127 6870254 10305381 13740508 17175635 20610762 34351270 41221524 51526905 68702540 103053810 206107620