Base | Representation |
---|---|
bin | 111011100011110 |
3 | 1112211102 |
4 | 13130132 |
5 | 1433434 |
6 | 353102 |
7 | 154622 |
oct | 73436 |
9 | 45742 |
10 | 30494 |
11 | 20a02 |
12 | 15792 |
13 | 10b59 |
14 | b182 |
15 | 907e |
hex | 771e |
30494 has 8 divisors (see below), whose sum is σ = 46560. Its totient is φ = 14976.
The previous prime is 30493. The next prime is 30497. The reversal of 30494 is 49403.
30494 is nontrivially palindromic in base 11.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30491) 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, 62 + ... + 254.
It is an arithmetic number, because the mean of its divisors is an integer number (5820).
230494 is an apocalyptic number.
30494 is a deficient number, since it is larger than the sum of its proper divisors (16066).
30494 is a wasteful number, since it uses less digits than its factorization.
30494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30494 is about 174.6253131708. The cubic root of 30494 is about 31.2419499265.
Adding to 30494 its reverse (49403), we get a palindrome (79897).
The spelling of 30494 in words is "thirty thousand, four hundred ninety-four".
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