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268026 = 231131131
BaseRepresentation
bin1000001011011111010
3111121122220
41001123322
532034101
65424510
72164263
oct1013372
9447586
10268026
11173410
1210b136
1394cc5
146d96a
1554636
hex416fa

268026 has 32 divisors (see below), whose sum is σ = 608256. Its totient is φ = 78000.

The previous prime is 268013. The next prime is 268043. The reversal of 268026 is 620862.

It is a junction number, because it is equal to n+sod(n) for n = 267987 and 268005.

It is an unprimeable number.

268026 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 15 ways as a sum of consecutive naturals, for example, 1981 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (19008).

2268026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304128).

268026 is an abundant number, since it is smaller than the sum of its proper divisors (340230).

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

268026 is a wasteful number, since it uses less digits than its factorization.

268026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 268026 is about 517.7122753036. The cubic root of 268026 is about 64.4751421549.

Adding to 268026 its reverse (620862), we get a palindrome (888888).

Subtracting 268026 from its reverse (620862), we obtain a square (352836 = 5942).

The spelling of 268026 in words is "two hundred sixty-eight thousand, twenty-six".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 131 186 262 341 393 682 786 1023 1441 2046 2882 4061 4323 8122 8646 12183 24366 44671 89342 134013 268026