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30394 = 2713167
BaseRepresentation
bin111011010111010
31112200201
413122322
51433034
6352414
7154420
oct73272
945621
1030394
1120921
121570a
1310ab0
14b110
159014
hex76ba

30394 has 16 divisors (see below), whose sum is σ = 56448. Its totient is φ = 11952.

The previous prime is 30391. The next prime is 30403. The reversal of 30394 is 49303.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30391) 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, 99 + ... + 265.

It is an arithmetic number, because the mean of its divisors is an integer number (3528).

230394 is an apocalyptic number.

30394 is a deficient number, since it is larger than the sum of its proper divisors (26054).

30394 is a wasteful number, since it uses less digits than its factorization.

30394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30394 is about 174.3387507125. The cubic root of 30394 is about 31.2077616018.

Adding to 30394 its reverse (49303), we get a palindrome (79697).

It can be divided in two parts, 303 and 94, that multiplied together give a palindrome (28482).

The spelling of 30394 in words is "thirty thousand, three hundred ninety-four".

Divisors: 1 2 7 13 14 26 91 167 182 334 1169 2171 2338 4342 15197 30394