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298720 = 2551867
BaseRepresentation
bin1001000111011100000
3120011202201
41020323200
534024340
610222544
72352622
oct1107340
9504681
10298720
11194484
12124a54
13a5c76
147ac12
155d79a
hex48ee0

298720 has 24 divisors (see below), whose sum is σ = 706104. Its totient is φ = 119424.

The previous prime is 298709. The next prime is 298723. The reversal of 298720 is 27892.

298720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298723) 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, 774 + ... + 1093.

It is an arithmetic number, because the mean of its divisors is an integer number (29421).

2298720 is an apocalyptic number.

298720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298720 is an abundant number, since it is smaller than the sum of its proper divisors (407384).

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

298720 is a wasteful number, since it uses less digits than its factorization.

298720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 298720 is about 546.5528336767. The cubic root of 298720 is about 66.8479510373.

The spelling of 298720 in words is "two hundred ninety-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1867 3734 7468 9335 14936 18670 29872 37340 59744 74680 149360 298720