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268938 = 23267223
BaseRepresentation
bin1000001101010001010
3111122220200
41001222022
532101223
65433030
72200035
oct1015212
9448820
10268938
1117406a
1210b776
1395547
147001c
1554a43
hex41a8a

268938 has 24 divisors (see below), whose sum is σ = 594048. Its totient is φ = 87912.

The previous prime is 268937. The next prime is 268969. The reversal of 268938 is 839862.

It is a d-powerful number, because it can be written as 210 + 63 + 93 + 84 + 36 + 86 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1095 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (24752).

2268938 is an apocalyptic number.

268938 is an abundant number, since it is smaller than the sum of its proper divisors (325110).

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

268938 is a wasteful number, since it uses less digits than its factorization.

268938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 268938 is about 518.5923254349. The cubic root of 268938 is about 64.5481882547.

The spelling of 268938 in words is "two hundred sixty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 67 134 201 223 402 446 603 669 1206 1338 2007 4014 14941 29882 44823 89646 134469 268938