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68030 = 256803
BaseRepresentation
bin10000100110111110
310110022122
4100212332
54134110
61242542
7402224
oct204676
9113278
1068030
1147126
1233452
1324c71
141ab14
1515255
hex109be

68030 has 8 divisors (see below), whose sum is σ = 122472. Its totient is φ = 27208.

The previous prime is 68023. The next prime is 68041. The reversal of 68030 is 3086.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

68030 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, 3392 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (15309).

268030 is an apocalyptic number.

68030 is a deficient number, since it is larger than the sum of its proper divisors (54442).

68030 is a wasteful number, since it uses less digits than its factorization.

68030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 68030 is about 260.8256122393. The cubic root of 68030 is about 40.8225525707.

The spelling of 68030 in words is "sixty-eight thousand, thirty".

Divisors: 1 2 5 10 6803 13606 34015 68030