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298243 = 11191427
BaseRepresentation
bin1001000110100000011
3120011010001
41020310003
534020433
610220431
72351341
oct1106403
9504101
10298243
11194090
12124717
13a599a
147a991
155d57d
hex48d03

298243 has 8 divisors (see below), whose sum is σ = 342720. Its totient is φ = 256680.

The previous prime is 298237. The next prime is 298247. The reversal of 298243 is 342892.

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

It is a cyclic number.

It is not a de Polignac number, because 298243 - 25 = 298211 is a prime.

It is a Duffinian number.

298243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (298247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 505 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2298243 is an apocalyptic number.

298243 is a deficient number, since it is larger than the sum of its proper divisors (44477).

298243 is a wasteful number, since it uses less digits than its factorization.

298243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its digits is 3456, while the sum is 28.

The square root of 298243 is about 546.1162879827. The cubic root of 298243 is about 66.8123508543.

It can be divided in two parts, 2982 and 43, that added together give a square (3025 = 552).

The spelling of 298243 in words is "two hundred ninety-eight thousand, two hundred forty-three".

Divisors: 1 11 19 209 1427 15697 27113 298243