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208868528 = 24111769809
BaseRepresentation
bin11000111001100…
…01010010110000
3112120000121202102
430130301102300
5411432243103
632420435532
75114232101
oct1434612260
9476017672
10208868528
11a79a0020
1259b48ba8
1334370b5b
141da503a8
151350be88
hexc7314b0

208868528 has 40 divisors (see below), whose sum is σ = 467447760. Its totient is φ = 89354240.

The previous prime is 208868521. The next prime is 208868531. The reversal of 208868528 is 825868802.

208868528 is digitally balanced in base 3, 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 (208868521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31913 + ... + 37896.

It is an arithmetic number, because the mean of its divisors is an integer number (11686194).

Almost surely, 2208868528 is an apocalyptic number.

It is an amenable number.

208868528 is an abundant number, since it is smaller than the sum of its proper divisors (258579232).

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

208868528 is a wasteful number, since it uses less digits than its factorization.

208868528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69845 (or 69839 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The square root of 208868528 is about 14452.2845252922. The cubic root of 208868528 is about 593.3227514279.

The spelling of 208868528 in words is "two hundred eight million, eight hundred sixty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 11 16 17 22 34 44 68 88 136 176 187 272 374 748 1496 2992 69809 139618 279236 558472 767899 1116944 1186753 1535798 2373506 3071596 4747012 6143192 9494024 12286384 13054283 18988048 26108566 52217132 104434264 208868528