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206888 = 23112351
BaseRepresentation
bin110010100000101000
3101111210112
4302200220
523110023
64233452
71521113
oct624050
9344715
10206888
11131490
129b888
1373226
145557a
1541478
hex32828

206888 has 16 divisors (see below), whose sum is σ = 423360. Its totient is φ = 94000.

The previous prime is 206887. The next prime is 206897. The reversal of 206888 is 888602.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 206888.

It is not an unprimeable number, because it can be changed into a prime (206887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2206888 is an apocalyptic number.

It is an amenable number.

206888 is an abundant number, since it is smaller than the sum of its proper divisors (216472).

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

206888 is a wasteful number, since it uses less digits than its factorization.

206888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 206888 is about 454.8494256345. The cubic root of 206888 is about 59.1441462486.

The spelling of 206888 in words is "two hundred six thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 11 22 44 88 2351 4702 9404 18808 25861 51722 103444 206888