Base | Representation |
---|---|
bin | 111010101101010 |
3 | 1112020021 |
4 | 13111222 |
5 | 1430213 |
6 | 351054 |
7 | 153430 |
oct | 72552 |
9 | 45207 |
10 | 30058 |
11 | 20646 |
12 | 1548a |
13 | 108b2 |
14 | ad50 |
15 | 8d8d |
hex | 756a |
30058 has 16 divisors (see below), whose sum is σ = 54720. Its totient is φ = 12096.
The previous prime is 30047. The next prime is 30059. The reversal of 30058 is 85003.
30058 is an undulating number in base 15.
It is not an unprimeable number, because it can be changed into a prime (30059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 322.
It is an arithmetic number, because the mean of its divisors is an integer number (3420).
230058 is an apocalyptic number.
30058 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
30058 is a deficient number, since it is larger than the sum of its proper divisors (24662).
30058 is a wasteful number, since it uses less digits than its factorization.
30058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 30058 is about 173.3724314878. The cubic root of 30058 is about 31.0923365560.
Subtracting 30058 from its reverse (85003), we obtain a palindrome (54945).
The spelling of 30058 in words is "thirty thousand, fifty-eight".
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