Search a number
-
+
811063552 = 2813243709
BaseRepresentation
bin110000010101111…
…101100100000000
32002112011022000211
4300111331210000
53130113013202
6212251523504
726045632525
oct6025754400
92075138024
10811063552
11386908062
121a7759594
13cc057880
1479a0914c
154b3101d7
hex3057d900

811063552 has 36 divisors (see below), whose sum is σ = 1743501340. Its totient is φ = 374335488.

The previous prime is 811063543. The next prime is 811063553. The reversal of 811063552 is 255360118.

It can be written as a sum of positive squares in 2 ways, for example, as 228130816 + 582932736 = 15104^2 + 24144^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (811063553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118527 + ... + 125182.

Almost surely, 2811063552 is an apocalyptic number.

It is an amenable number.

811063552 is an abundant number, since it is smaller than the sum of its proper divisors (932437788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811063552 is a wasteful number, since it uses less digits than its factorization.

811063552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243738 (or 243724 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 811063552 is about 28479.1775162135. The cubic root of 811063552 is about 932.5775614173.

The spelling of 811063552 in words is "eight hundred eleven million, sixty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 243709 487418 974836 1949672 3168217 3899344 6336434 7798688 12672868 15597376 25345736 31194752 50691472 62389504 101382944 202765888 405531776 811063552