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491124 = 22340927
BaseRepresentation
bin1110111111001110100
3220221200210
41313321310
5111203444
614305420
74113564
oct1677164
9827623
10491124
11305a97
121b8270
1314270a
14cada4
159a7b9
hex77e74

491124 has 12 divisors (see below), whose sum is σ = 1145984. Its totient is φ = 163704.

The previous prime is 491083. The next prime is 491129. The reversal of 491124 is 421194.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 491124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491129) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 20452 + ... + 20475.

2491124 is an apocalyptic number.

It is an amenable number.

491124 is an abundant number, since it is smaller than the sum of its proper divisors (654860).

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

491124 is a wasteful number, since it uses less digits than its factorization.

491124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40934 (or 40932 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 491124 is about 700.8023972562. The cubic root of 491124 is about 78.8975866743.

The spelling of 491124 in words is "four hundred ninety-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 40927 81854 122781 163708 245562 491124