Base | Representation |
---|---|
bin | 111101010000001100111 |
3 | 10202222021122 |
4 | 13222001213 |
5 | 1003212033 |
6 | 111004155 |
7 | 23026505 |
oct | 7520147 |
9 | 3688248 |
10 | 2007143 |
11 | 1150aa6 |
12 | 80965b |
13 | 553778 |
14 | 3a3675 |
15 | 299a98 |
hex | 1ea067 |
2007143 has 4 divisors (see below), whose sum is σ = 2010000. Its totient is φ = 2004288.
The previous prime is 2007133. The next prime is 2007149. The reversal of 2007143 is 3417002.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2007143 - 26 = 2007079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2007149) 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 3 ways as a sum of consecutive naturals, for example, 446 + ... + 2052.
It is an arithmetic number, because the mean of its divisors is an integer number (502500).
22007143 is an apocalyptic number.
2007143 is a deficient number, since it is larger than the sum of its proper divisors (2857).
2007143 is a wasteful number, since it uses less digits than its factorization.
2007143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2856.
The product of its (nonzero) digits is 168, while the sum is 17.
The square root of 2007143 is about 1416.7367433648. The cubic root of 2007143 is about 126.1419203766.
The spelling of 2007143 in words is "two million, seven thousand, one hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •