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268838 = 2177907
BaseRepresentation
bin1000001101000100110
3111122202222
41001220212
532100323
65432342
72166533
oct1015046
9448688
10268838
11173a89
1210b6b2
139549b
146dd8a
15549c8
hex41a26

268838 has 8 divisors (see below), whose sum is σ = 427032. Its totient is φ = 126496.

The previous prime is 268823. The next prime is 268841. The reversal of 268838 is 838862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 268798 and 268807.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268838.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3920 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (53379).

2268838 is an apocalyptic number.

268838 is a deficient number, since it is larger than the sum of its proper divisors (158194).

268838 is a wasteful number, since it uses less digits than its factorization.

268838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926.

The product of its digits is 18432, while the sum is 35.

The square root of 268838 is about 518.4959016231. The cubic root of 268838 is about 64.5401868826.

The spelling of 268838 in words is "two hundred sixty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 17 34 7907 15814 134419 268838