Search a number
-
+
14231718 = 232790651
BaseRepresentation
bin110110010010…
…100010100110
3222210001020200
4312102202212
512120403333
61225011330
7231652614
oct66224246
928701220
1014231718
118040556
124923b46
132c43a47
141c666b4
1513b1c13
hexd928a6

14231718 has 12 divisors (see below), whose sum is σ = 30835428. Its totient is φ = 4743900.

The previous prime is 14231713. The next prime is 14231729. The reversal of 14231718 is 81713241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14231691 and 14231700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14231713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395308 + ... + 395343.

It is an arithmetic number, because the mean of its divisors is an integer number (2569619).

Almost surely, 214231718 is an apocalyptic number.

14231718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14231718 is an abundant number, since it is smaller than the sum of its proper divisors (16603710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14231718 is a wasteful number, since it uses less digits than its factorization.

14231718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790659 (or 790656 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 14231718 is about 3772.4949304141. The cubic root of 14231718 is about 242.3366555064.

Adding to 14231718 its reverse (81713241), we get a palindrome (95944959).

The spelling of 14231718 in words is "fourteen million, two hundred thirty-one thousand, seven hundred eighteen".

Divisors: 1 2 3 6 9 18 790651 1581302 2371953 4743906 7115859 14231718