Base | Representation |
---|---|
bin | 111011001011011 |
3 | 1112120012 |
4 | 13121123 |
5 | 1432144 |
6 | 352135 |
7 | 154223 |
oct | 73133 |
9 | 45505 |
10 | 30299 |
11 | 20845 |
12 | 1564b |
13 | 10a39 |
14 | b083 |
15 | 8e9e |
hex | 765b |
30299 has 4 divisors (see below), whose sum is σ = 31080. Its totient is φ = 29520.
The previous prime is 30293. The next prime is 30307. The reversal of 30299 is 99203.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30299 - 212 = 26203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30293) 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, 329 + ... + 410.
It is an arithmetic number, because the mean of its divisors is an integer number (7770).
230299 is an apocalyptic number.
30299 is a deficient number, since it is larger than the sum of its proper divisors (781).
30299 is an equidigital number, since it uses as much as digits as its factorization.
30299 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 780.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 30299 is about 174.0660794066. The cubic root of 30299 is about 31.1752131645.
Subtracting from 30299 its sum of digits (23), we obtain a square (30276 = 1742).
It can be divided in two parts, 3029 and 9, that multiplied together give a triangular number (27261 = T233).
The spelling of 30299 in words is "thirty thousand, two hundred ninety-nine".
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