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14068681 = 1110711953
BaseRepresentation
bin110101101010…
…101111001001
3222110202121021
4311222233021
512100144211
61221312441
7230403364
oct65525711
928422537
1014068681
117a3a010
124865721
132bb7783
141c230db
15137d771
hexd6abc9

14068681 has 8 divisors (see below), whose sum is σ = 15492384. Its totient is φ = 12669120.

The previous prime is 14068643. The next prime is 14068723. The reversal of 14068681 is 18686041.

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

It is a cyclic number.

It is not a de Polignac number, because 14068681 - 213 = 14060489 is a prime.

It is a super-2 number, since 2×140686812 = 395855570159522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14068601) 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, 4800 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (1936548).

Almost surely, 214068681 is an apocalyptic number.

14068681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14068681 is a deficient number, since it is larger than the sum of its proper divisors (1423703).

14068681 is a wasteful number, since it uses less digits than its factorization.

14068681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 14068681 is about 3750.8240427938. The cubic root of 14068681 is about 241.4077050596.

The spelling of 14068681 in words is "fourteen million, sixty-eight thousand, six hundred eighty-one".

Divisors: 1 11 107 1177 11953 131483 1278971 14068681