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30734 = 2112127
BaseRepresentation
bin111100000001110
31120011022
413200032
51440414
6354142
7155414
oct74016
946138
1030734
1121100
1215952
1310cb2
14b2b4
15918e
hex780e

30734 has 12 divisors (see below), whose sum is σ = 51072. Its totient is φ = 13860.

The previous prime is 30727. The next prime is 30757. The reversal of 30734 is 43703.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

30734 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 5 ways as a sum of consecutive naturals, for example, 179 + ... + 305.

It is an arithmetic number, because the mean of its divisors is an integer number (4256).

230734 is an apocalyptic number.

30734 is a deficient number, since it is larger than the sum of its proper divisors (20338).

30734 is a wasteful number, since it uses less digits than its factorization.

30734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 30734 is about 175.3111519556. The cubic root of 30734 is about 31.3236980584.

The spelling of 30734 in words is "thirty thousand, seven hundred thirty-four".

Divisors: 1 2 11 22 121 127 242 254 1397 2794 15367 30734