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268908 = 22322409
BaseRepresentation
bin1000001101001101100
3111122212120
41001221230
532101113
65432540
72166663
oct1015154
9448776
10268908
11174042
1210b750
1395523
146ddda
1554a23
hex41a6c

268908 has 12 divisors (see below), whose sum is σ = 627480. Its totient is φ = 89632.

The previous prime is 268897. The next prime is 268909. The reversal of 268908 is 809862.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (268909) by changing a digit.

268908 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11193 + ... + 11216.

It is an arithmetic number, because the mean of its divisors is an integer number (52290).

2268908 is an apocalyptic number.

It is an amenable number.

268908 is an abundant number, since it is smaller than the sum of its proper divisors (358572).

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

268908 is a wasteful number, since it uses less digits than its factorization.

268908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 268908 is about 518.5634001740. The cubic root of 268908 is about 64.5457880514.

It can be divided in two parts, 268 and 908, that added together give a triangular number (1176 = T48).

The spelling of 268908 in words is "two hundred sixty-eight thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 22409 44818 67227 89636 134454 268908