Search a number
4490944 = 26471493
BaseRepresentation
bin10001001000011011000000
322110011102021
4101020123000
52122202234
6240131224
753113063
oct21103300
98404367
104490944
112598127
121606b14
13c13183
1484c8da
155da9b4
hex4486c0

4490944 has 28 divisors (see below), whose sum is σ = 9107424. Its totient is φ = 2196224.

The previous prime is 4490933. The next prime is 4490947.

It is a happy number.

4490944 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×44909442 = 40337156022272, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4490947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2262 + ... + 3754.

Almost surely, 24490944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4490944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4553712).

4490944 is an abundant number, since it is smaller than the sum of its proper divisors (4616480).

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

4490944 is a wasteful number, since it uses less digits than its factorization.

4490944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4490944 is about 2119.1847489070. The cubic root of 4490944 is about 164.9855389836.

The spelling of 4490944 in words is "four million, four hundred ninety thousand, nine hundred forty-four".