Search a number
-
+
1006 = 2503
BaseRepresentation
bin1111101110
31101021
433232
513011
64354
72635
oct1756
91337
101006
11835
126ba
135c5
1451c
15471
hex3ee

1006 has 4 divisors (see below), whose sum is σ = 1512. Its totient is φ = 502.

The previous prime is 997. The next prime is 1009. The reversal of 1006 is 6001.

1006 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6001 = 17353.

1006 is an undulating number in base 13.

It is a plaindrome in base 9 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250 + ... + 253.

It is an arithmetic number, because the mean of its divisors is an integer number (378).

1006 is a deficient number, since it is larger than the sum of its proper divisors (506).

1006 is an equidigital number, since it uses as much as digits as its factorization.

1006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1006 is about 31.7175030543. The cubic root of 1006 is about 10.0199601328.

The spelling of 1006 in words is "one thousand, six".

Divisors: 1 2 503 1006