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268899 = 389633
BaseRepresentation
bin1000001101001100011
3111122212020
41001221203
532101044
65432523
72166651
oct1015143
9448766
10268899
11174034
1210b743
1395517
146ddd1
1554a19
hex41a63

268899 has 4 divisors (see below), whose sum is σ = 358536. Its totient is φ = 179264.

The previous prime is 268897. The next prime is 268909. The reversal of 268899 is 998862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268899 - 21 = 268897 is a prime.

It is a D-number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 268899.

It is not an unprimeable number, because it can be changed into a prime (268897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44814 + ... + 44819.

It is an arithmetic number, because the mean of its divisors is an integer number (89634).

2268899 is an apocalyptic number.

268899 is a deficient number, since it is larger than the sum of its proper divisors (89637).

268899 is an equidigital number, since it uses as much as digits as its factorization.

268899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89636.

The product of its digits is 62208, while the sum is 42.

The square root of 268899 is about 518.5547222811. The cubic root of 268899 is about 64.5450679556.

The spelling of 268899 in words is "two hundred sixty-eight thousand, eight hundred ninety-nine".

Divisors: 1 3 89633 268899