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268100 = 22527383
BaseRepresentation
bin1000001011101000100
3111121202122
41001131010
532034400
65425112
72164430
oct1013504
9447678
10268100
11173478
1210b198
1395051
146d9c0
1554685
hex41744

268100 has 36 divisors (see below), whose sum is σ = 666624. Its totient is φ = 91680.

The previous prime is 268091. The next prime is 268123. The reversal of 268100 is 1862.

It is a super-2 number, since 2×2681002 = 143755220000, which contains 22 as substring.

It is an unprimeable number.

268100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 509 + ... + 891.

2268100 is an apocalyptic number.

268100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333312).

268100 is an abundant number, since it is smaller than the sum of its proper divisors (398524).

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

268100 is a wasteful number, since it uses less digits than its factorization.

268100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 268100 is about 517.7837386400. The cubic root of 268100 is about 64.4810753125.

Adding to 268100 its reverse (1862), we get a palindrome (269962).

The spelling of 268100 in words is "two hundred sixty-eight thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 383 700 766 1532 1915 2681 3830 5362 7660 9575 10724 13405 19150 26810 38300 53620 67025 134050 268100