Base | Representation |
---|---|
bin | 100111100001011… |
… | …000100000000000 |
3 | 1201012200001210102 |
4 | 213201120200000 |
5 | 2324221000103 |
6 | 145443421532 |
7 | 22300636622 |
oct | 4741304000 |
9 | 1635601712 |
10 | 663062528 |
11 | 310310767 |
12 | 1660848a8 |
13 | a74a87bb |
14 | 640c0c12 |
15 | 3d327e88 |
hex | 27858800 |
663062528 has 36 divisors (see below), whose sum is σ = 1328135445. Its totient is φ = 330948608.
The previous prime is 663062479. The next prime is 663062557. The reversal of 663062528 is 825260366.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 577537024 + 85525504 = 24032^2 + 9248^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=18208.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 663062491 and 663062500.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1165028 + ... + 1165596.
Almost surely, 2663062528 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 663062528
663062528 is an abundant number, since it is smaller than the sum of its proper divisors (665072917).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
663062528 is an frugal number, since it uses more digits than its factorization.
663062528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1160 (or 571 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 38.
The square root of 663062528 is about 25750.0005436893. Note that the first 3 decimals coincide. The cubic root of 663062528 is about 872.0033667070.
The spelling of 663062528 in words is "six hundred sixty-three million, sixty-two thousand, five hundred twenty-eight".
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