Search a number
-
+
4490 = 25449
BaseRepresentation
bin1000110001010
320011022
41012022
5120430
632442
716043
oct10612
96138
104490
113412
122722
132075
1418ca
1514e5
hex118a

4490 has 8 divisors (see below), whose sum is σ = 8100. Its totient is φ = 1792.

The previous prime is 4483. The next prime is 4493. The reversal of 4490 is 944.

It is a Cunningham number, because it is equal to 672+1.

It can be written as a sum of positive squares in 2 ways, for example, as 4489 + 1 = 67^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493) by changing a digit.

4490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215 + ... + 234.

24490 is an apocalyptic number.

4490 is a deficient number, since it is larger than the sum of its proper divisors (3610).

4490 is a wasteful number, since it uses less digits than its factorization.

4490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4490 is about 67.0074622710. The cubic root of 4490 is about 16.4973978143.

It can be divided in two parts, 4 and 490, that added together give a palindrome (494).

The spelling of 4490 in words is "four thousand, four hundred ninety".

Divisors: 1 2 5 10 449 898 2245 4490