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206105232 = 2434399781
BaseRepresentation
bin11000100100011…
…10101010010000
3112100211020020010
430102032222100
5410230331412
632241314520
75051602614
oct1422165220
9470736203
10206105232
11a6382a03
1259035a40
1333914178
141d531344
151316333c
hexc48ea90

206105232 has 40 divisors (see below), whose sum is σ = 533705920. Its totient is φ = 68538240.

The previous prime is 206105209. The next prime is 206105257. The reversal of 206105232 is 232501602.

It is a junction number, because it is equal to n+sod(n) for n = 206105199 and 206105208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16182 + ... + 25962.

It is an arithmetic number, because the mean of its divisors is an integer number (13342648).

Almost surely, 2206105232 is an apocalyptic number.

It is an amenable number.

206105232 is an abundant number, since it is smaller than the sum of its proper divisors (327600688).

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

206105232 is a wasteful number, since it uses less digits than its factorization.

206105232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231 (or 10225 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 206105232 is about 14356.3655567835. The cubic root of 206105232 is about 590.6946066056.

Adding to 206105232 its reverse (232501602), we get a palindrome (438606834).

The spelling of 206105232 in words is "two hundred six million, one hundred five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 439 878 1317 1756 2634 3512 5268 7024 9781 10536 19562 21072 29343 39124 58686 78248 117372 156496 234744 469488 4293859 8587718 12881577 17175436 25763154 34350872 51526308 68701744 103052616 206105232