Base | Representation |
---|---|
bin | 11100111100000… |
… | …110110011110100 |
3 | 1020211120220021122 |
4 | 130330012303310 |
5 | 1443243043310 |
6 | 120102203112 |
7 | 15013561031 |
oct | 3474066364 |
9 | 1224526248 |
10 | 485518580 |
11 | 22a076328 |
12 | 116723498 |
13 | 79784801 |
14 | 486a6388 |
15 | 2c957555 |
hex | 1cf06cf4 |
485518580 has 48 divisors (see below), whose sum is σ = 1058717520. Its totient is φ = 186805248.
The previous prime is 485518577. The next prime is 485518603. The reversal of 485518580 is 85815584.
It can be written as a sum of positive squares in 8 ways, for example, as 43930384 + 441588196 = 6628^2 + 21014^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168512 + ... + 171368.
It is an arithmetic number, because the mean of its divisors is an integer number (22056615).
Almost surely, 2485518580 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 485518580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529358760).
485518580 is an abundant number, since it is smaller than the sum of its proper divisors (573198940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485518580 is a wasteful number, since it uses less digits than its factorization.
485518580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3188 (or 3186 counting only the distinct ones).
The product of its (nonzero) digits is 256000, while the sum is 44.
The square root of 485518580 is about 22034.4861523930. The cubic root of 485518580 is about 785.9627281089.
The spelling of 485518580 in words is "four hundred eighty-five million, five hundred eighteen thousand, five hundred eighty".
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