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298880 = 275467
BaseRepresentation
bin1001000111110000000
3120011222122
41020332000
534031010
610223412
72353241
oct1107600
9504878
10298880
1119460a
12124b68
13a606a
147acc8
155d855
hex48f80

298880 has 32 divisors (see below), whose sum is σ = 716040. Its totient is φ = 119296.

The previous prime is 298861. The next prime is 298897. The reversal of 298880 is 88892.

298880 is nontrivially palindromic in base 13.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 298880.

It is a congruent number.

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, 407 + ... + 873.

2298880 is an apocalyptic number.

298880 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 298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358020).

298880 is an abundant number, since it is smaller than the sum of its proper divisors (417160).

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

298880 is an equidigital number, since it uses as much as digits as its factorization.

298880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 298880 is about 546.6991860246. The cubic root of 298880 is about 66.8598839099.

The spelling of 298880 in words is "two hundred ninety-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 467 640 934 1868 2335 3736 4670 7472 9340 14944 18680 29888 37360 59776 74720 149440 298880