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663062528 = 2115692
BaseRepresentation
bin100111100001011…
…000100000000000
31201012200001210102
4213201120200000
52324221000103
6145443421532
722300636622
oct4741304000
91635601712
10663062528
11310310767
121660848a8
13a74a87bb
14640c0c12
153d327e88
hex27858800

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".

Divisors: 1 2 4 8 16 32 64 128 256 512 569 1024 1138 2048 2276 4552 9104 18208 36416 72832 145664 291328 323761 582656 647522 1165312 1295044 2590088 5180176 10360352 20720704 41441408 82882816 165765632 331531264 663062528