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206886264 = 23313663097
BaseRepresentation
bin11000101010011…
…01010101111000
3112102021220121020
430111031111320
5410430330024
632310142440
75061334644
oct1425152570
9472256536
10206886264
11a6866792
1259351a20
1333b28810
141d695c24
1513269979
hexc54d578

206886264 has 32 divisors (see below), whose sum is σ = 557002320. Its totient is φ = 63657216.

The previous prime is 206886263. The next prime is 206886271. The reversal of 206886264 is 462688602.

206886264 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 not an unprimeable number, because it can be changed into a prime (206886263) 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, 331237 + ... + 331860.

Almost surely, 2206886264 is an apocalyptic number.

206886264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206886264 is an abundant number, since it is smaller than the sum of its proper divisors (350116056).

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

206886264 is a wasteful number, since it uses less digits than its factorization.

206886264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663119 (or 663115 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 206886264 is about 14383.5414276179. The cubic root of 206886264 is about 591.4398082168.

The spelling of 206886264 in words is "two hundred six million, eight hundred eighty-six thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 663097 1326194 1989291 2652388 3978582 5304776 7957164 8620261 15914328 17240522 25860783 34481044 51721566 68962088 103443132 206886264