Base | Representation |
---|---|
bin | 110101111100… |
… | …111010100111 |
3 | 222121112202010 |
4 | 311330322213 |
5 | 12110040033 |
6 | 1223045303 |
7 | 231133440 |
oct | 65747247 |
9 | 28545663 |
10 | 14143143 |
11 | 7a8aa53 |
12 | 48a0833 |
13 | 2c12631 |
14 | 1c422c7 |
15 | 1395863 |
hex | d7cea7 |
14143143 has 16 divisors (see below), whose sum is σ = 21620480. Its totient is φ = 8055936.
The previous prime is 14143141. The next prime is 14143147. The reversal of 14143143 is 34134141.
It is not a de Polignac number, because 14143143 - 21 = 14143141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14143141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7071 + ... + 8847.
It is an arithmetic number, because the mean of its divisors is an integer number (1351280).
Almost surely, 214143143 is an apocalyptic number.
14143143 is a deficient number, since it is larger than the sum of its proper divisors (7477337).
14143143 is a wasteful number, since it uses less digits than its factorization.
14143143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2166.
The product of its digits is 576, while the sum is 21.
The square root of 14143143 is about 3760.7370288283. The cubic root of 14143143 is about 241.8328593398.
Adding to 14143143 its reverse (34134141), we get a palindrome (48277284).
It can be divided in two parts, 14 and 143143, that multiplied together give a palindrome (2004002).
The spelling of 14143143 in words is "fourteen million, one hundred forty-three thousand, one hundred forty-three".
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