Base | Representation |
---|---|
bin | 11100111011000… |
… | …110111100010100 |
3 | 1020211002121102202 |
4 | 130323012330110 |
5 | 1443211210410 |
6 | 120052424032 |
7 | 15011421245 |
oct | 3473067424 |
9 | 1224077382 |
10 | 485256980 |
11 | 229a0782a |
12 | 116618018 |
13 | 796c2710 |
14 | 48638ccc |
15 | 2c904ca5 |
hex | 1cec6f14 |
485256980 has 24 divisors (see below), whose sum is σ = 1097427912. Its totient is φ = 179171712.
The previous prime is 485256973. The next prime is 485256997. The reversal of 485256980 is 89652584.
It can be written as a sum of positive squares in 4 ways, for example, as 4682896 + 480574084 = 2164^2 + 21922^2 .
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932927 + ... + 933446.
It is an arithmetic number, because the mean of its divisors is an integer number (45726163).
Almost surely, 2485256980 is an apocalyptic number.
It is an amenable number.
485256980 is an abundant number, since it is smaller than the sum of its proper divisors (612170932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
485256980 is a wasteful number, since it uses less digits than its factorization.
485256980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1866395 (or 1866393 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 47.
The square root of 485256980 is about 22028.5492032499. The cubic root of 485256980 is about 785.8215424456.
The spelling of 485256980 in words is "four hundred eighty-five million, two hundred fifty-six thousand, nine hundred eighty".
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