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206879068 = 221119247463
BaseRepresentation
bin11000101010010…
…11100101011100
3112102021112201201
430111023211130
5410430112233
632310045244
75061304654
oct1425134534
9472245651
10206879068
11a6861340
1259349824
1333b25466
141d693364
151326777d
hexc54b95c

206879068 has 24 divisors (see below), whose sum is σ = 415739520. Its totient is φ = 89086320.

The previous prime is 206879041. The next prime is 206879081. The reversal of 206879068 is 860978602.

206879068 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, 122896 + ... + 124567.

It is an arithmetic number, because the mean of its divisors is an integer number (17322480).

Almost surely, 2206879068 is an apocalyptic number.

It is an amenable number.

206879068 is an abundant number, since it is smaller than the sum of its proper divisors (208860452).

206879068 is a wasteful number, since it uses less digits than its factorization.

206879068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247497 (or 247495 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 206879068 is about 14383.2912784244. The cubic root of 206879068 is about 591.4329509060.

The spelling of 206879068 in words is "two hundred six million, eight hundred seventy-nine thousand, sixty-eight".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 247463 494926 989852 2722093 4701797 5444186 9403594 10888372 18807188 51719767 103439534 206879068