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268536 = 23367167
BaseRepresentation
bin1000001100011111000
3111122100210
41001203320
532043121
65431120
72165622
oct1014370
9448323
10268536
11173834
1210b4a0
13952c8
146dc12
1554876
hex418f8

268536 has 32 divisors (see below), whose sum is σ = 685440. Its totient is φ = 87648.

The previous prime is 268531. The next prime is 268537. The reversal of 268536 is 635862.

It is a super-2 number, since 2×2685362 = 144223166592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268531) 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, 1525 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (21420).

2268536 is an apocalyptic number.

It is an amenable number.

268536 is an abundant number, since it is smaller than the sum of its proper divisors (416904).

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

268536 is a wasteful number, since it uses less digits than its factorization.

268536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 239 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 268536 is about 518.2045928010. The cubic root of 268536 is about 64.5160106880.

The spelling of 268536 in words is "two hundred sixty-eight thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 67 134 167 201 268 334 402 501 536 668 804 1002 1336 1608 2004 4008 11189 22378 33567 44756 67134 89512 134268 268536