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68716 = 2241419
BaseRepresentation
bin10000110001101100
310111021001
4100301230
54144331
61250044
7404224
oct206154
9114231
1068716
114769a
1233924
132537b
141b084
1515561
hex10c6c

68716 has 12 divisors (see below), whose sum is σ = 123480. Its totient is φ = 33440.

The previous prime is 68713. The next prime is 68729. The reversal of 68716 is 61786.

It is not an unprimeable number, because it can be changed into a prime (68711) by changing a digit.

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, 46 + ... + 373.

It is an arithmetic number, because the mean of its divisors is an integer number (10290).

268716 is an apocalyptic number.

It is an amenable number.

68716 is a deficient number, since it is larger than the sum of its proper divisors (54764).

68716 is a wasteful number, since it uses less digits than its factorization.

68716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 68716 is about 262.1373685685. The cubic root of 68716 is about 40.9593092230.

It can be divided in two parts, 687 and 16, that added together give a triangular number (703 = T37).

The spelling of 68716 in words is "sixty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 41 82 164 419 838 1676 17179 34358 68716