Search a number
-
+
14068891 = 94114951
BaseRepresentation
bin110101101010…
…110010011011
3222110202220001
4311222302123
512100201031
61221313431
7230404114
oct65526233
928422801
1014068891
117a3a191
124865877
132bb78b5
141c2320b
15137d861
hexd6ac9b

14068891 has 4 divisors (see below), whose sum is σ = 14084784. Its totient is φ = 14053000.

The previous prime is 14068871. The next prime is 14068907. The reversal of 14068891 is 19886041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14068891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14068891.

It is not an unprimeable number, because it can be changed into a prime (14068841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6535 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (3521196).

Almost surely, 214068891 is an apocalyptic number.

14068891 is a deficient number, since it is larger than the sum of its proper divisors (15893).

14068891 is an equidigital number, since it uses as much as digits as its factorization.

14068891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 14068891 is about 3750.8520365378. The cubic root of 14068891 is about 241.4089061996.

The spelling of 14068891 in words is "fourteen million, sixty-eight thousand, eight hundred ninety-one".

Divisors: 1 941 14951 14068891