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206539852 = 2271210243
BaseRepresentation
bin11000100111110…
…00110001001100
3112101122022102011
430103320301030
5410333233402
632254511004
75055363001
oct1423706114
9471568364
10206539852
11a664a4a2
1259205464
1333a36c3c
141d6058a8
15131ebed7
hexc4f8c4c

206539852 has 18 divisors (see below), whose sum is σ = 366643004. Its totient is φ = 101805480.

The previous prime is 206539847. The next prime is 206539867. The reversal of 206539852 is 258935602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15043 + ... + 25285.

Almost surely, 2206539852 is an apocalyptic number.

It is an amenable number.

206539852 is a deficient number, since it is larger than the sum of its proper divisors (160103152).

206539852 is a wasteful number, since it uses less digits than its factorization.

206539852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10316 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 206539852 is about 14371.4944247284. The cubic root of 206539852 is about 591.1095199684.

The spelling of 206539852 in words is "two hundred six million, five hundred thirty-nine thousand, eight hundred fifty-two".

Divisors: 1 2 4 71 142 284 5041 10082 10243 20164 20486 40972 727253 1454506 2909012 51634963 103269926 206539852