Base | Representation |
---|---|
bin | 11101010000100… |
… | …011101001100000 |
3 | 1021012200021012100 |
4 | 131100203221200 |
5 | 2001131121314 |
6 | 120413130400 |
7 | 15110256546 |
oct | 3520435140 |
9 | 1235607170 |
10 | 490879584 |
11 | 2320a8108 |
12 | 118489a00 |
13 | 7a9109c0 |
14 | 4929dd96 |
15 | 2d165c09 |
hex | 1d423a60 |
490879584 has 72 divisors (see below), whose sum is σ = 1503330192. Its totient is φ = 151038720.
The previous prime is 490879583. The next prime is 490879621. The reversal of 490879584 is 485978094.
490879584 is a `hidden beast` number, since 490 + 8 + 79 + 5 + 84 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a self number, because there is not a number n which added to its sum of digits gives 490879584.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490879583) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61812 + ... + 69299.
It is an arithmetic number, because the mean of its divisors is an integer number (20879586).
Almost surely, 2490879584 is an apocalyptic number.
It is an amenable number.
490879584 is an abundant number, since it is smaller than the sum of its proper divisors (1012450608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490879584 is a wasteful number, since it uses less digits than its factorization.
490879584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131140 (or 131129 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The square root of 490879584 is about 22155.8024905441. The cubic root of 490879584 is about 788.8449627184.
The spelling of 490879584 in words is "four hundred ninety million, eight hundred seventy-nine thousand, five hundred eighty-four".
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