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30794 = 289173
BaseRepresentation
bin111100001001010
31120020112
413201022
51441134
6354322
7155531
oct74112
946215
1030794
1121155
12159a2
131102a
14b318
1591ce
hex784a

30794 has 8 divisors (see below), whose sum is σ = 46980. Its totient is φ = 15136.

The previous prime is 30781. The next prime is 30803. The reversal of 30794 is 49703.

It can be written as a sum of positive squares in 2 ways, for example, as 30625 + 169 = 175^2 + 13^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92 + ... + 264.

230794 is an apocalyptic number.

30794 is a deficient number, since it is larger than the sum of its proper divisors (16186).

30794 is a wasteful number, since it uses less digits than its factorization.

30794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30794 is about 175.4821928288. The cubic root of 30794 is about 31.3440685513.

The spelling of 30794 in words is "thirty thousand, seven hundred ninety-four".

Divisors: 1 2 89 173 178 346 15397 30794