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30230 = 253023
BaseRepresentation
bin111011000010110
31112110122
413120112
51431410
6351542
7154064
oct73026
945418
1030230
1120792
12155b2
13109b5
14b034
158e55
hex7616

30230 has 8 divisors (see below), whose sum is σ = 54432. Its totient is φ = 12088.

The previous prime is 30223. The next prime is 30241. The reversal of 30230 is 3203.

Adding to 30230 its reverse (3203), we get a palindrome (33433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

30230 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 3 ways as a sum of consecutive naturals, for example, 1502 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

230230 is an apocalyptic number.

30230 is a deficient number, since it is larger than the sum of its proper divisors (24202).

30230 is a wasteful number, since it uses less digits than its factorization.

30230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030.

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 30230 is about 173.8677658452. The cubic root of 30230 is about 31.1515300433.

The spelling of 30230 in words is "thirty thousand, two hundred thirty".

Divisors: 1 2 5 10 3023 6046 15115 30230