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490444 = 22122611
BaseRepresentation
bin1110111101111001100
3220220202121
41313233030
5111143234
614302324
74111603
oct1675714
9826677
10490444
11305529
121b79a4
13142306
14caa3a
159a4b4
hex77bcc

490444 has 6 divisors (see below), whose sum is σ = 858284. Its totient is φ = 245220.

The previous prime is 490421. The next prime is 490453. The reversal of 490444 is 444094.

It is an Ulam number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61302 + ... + 61309.

2490444 is an apocalyptic number.

It is an amenable number.

490444 is a deficient number, since it is larger than the sum of its proper divisors (367840).

490444 is a wasteful number, since it uses less digits than its factorization.

490444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122615 (or 122613 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 490444 is about 700.3170710471. The cubic root of 490444 is about 78.8611565405.

The spelling of 490444 in words is "four hundred ninety thousand, four hundred forty-four".

Divisors: 1 2 4 122611 245222 490444