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491104 = 25103149
BaseRepresentation
bin1110111111001100000
3220221200001
41313321200
5111203404
614305344
74113535
oct1677140
9827601
10491104
11305a79
121b8254
131426c3
14cad8c
159a7a4
hex77e60

491104 has 24 divisors (see below), whose sum is σ = 982800. Its totient is φ = 241536.

The previous prime is 491083. The next prime is 491129. The reversal of 491104 is 401194.

It is a congruent number.

It is an unprimeable number.

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, 3222 + ... + 3370.

It is an arithmetic number, because the mean of its divisors is an integer number (40950).

2491104 is an apocalyptic number.

It is an amenable number.

491104 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

491104 is a wasteful number, since it uses less digits than its factorization.

491104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 491104 is about 700.7881277533. The cubic root of 491104 is about 78.8965156799.

Adding to 491104 its reverse (401194), we get a palindrome (892298).

It can be divided in two parts, 491 and 104, that added together give a palindrome (595).

The spelling of 491104 in words is "four hundred ninety-one thousand, one hundred four".

Divisors: 1 2 4 8 16 32 103 149 206 298 412 596 824 1192 1648 2384 3296 4768 15347 30694 61388 122776 245552 491104