Base | Representation |
---|---|
bin | 1001001001011010010 |
3 | 120020011010 |
4 | 1021023102 |
5 | 34042410 |
6 | 10231350 |
7 | 2355564 |
oct | 1111322 |
9 | 506133 |
10 | 299730 |
11 | 195212 |
12 | 125556 |
13 | a6572 |
14 | 7b334 |
15 | 5dc20 |
hex | 492d2 |
299730 has 32 divisors (see below), whose sum is σ = 733824. Its totient is φ = 78336.
The previous prime is 299723. The next prime is 299731. The reversal of 299730 is 37992.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (299731) by changing a digit.
299730 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859 + ... + 2961.
It is an arithmetic number, because the mean of its divisors is an integer number (22932).
2299730 is an apocalyptic number.
299730 is an abundant number, since it is smaller than the sum of its proper divisors (434094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
299730 is a wasteful number, since it uses less digits than its factorization.
299730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210.
The product of its (nonzero) digits is 3402, while the sum is 30.
The square root of 299730 is about 547.4760268724. The cubic root of 299730 is about 66.9232059918.
The spelling of 299730 in words is "two hundred ninety-nine thousand, seven hundred thirty".
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