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812074484 = 221373213929
BaseRepresentation
bin110000011001110…
…100010111110100
32002121001122202202
4300121310113310
53130342340414
6212325324032
726060343044
oct6031642764
92077048682
10812074484
11387438641
121a7b66618
13cc31ca60
1479bcd724
154b45e9de
hex306745f4

812074484 has 24 divisors (see below), whose sum is σ = 1551420360. Its totient is φ = 369667584.

The previous prime is 812074469. The next prime is 812074519. The reversal of 812074484 is 484470218.

It is a happy number.

812074484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 107702884 + 704371600 = 10378^2 + 26540^2 .

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, 103169 + ... + 110760.

It is an arithmetic number, because the mean of its divisors is an integer number (64642515).

Almost surely, 2812074484 is an apocalyptic number.

It is an amenable number.

812074484 is a deficient number, since it is larger than the sum of its proper divisors (739345876).

812074484 is a wasteful number, since it uses less digits than its factorization.

812074484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214019 (or 214017 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 812074484 is about 28496.9206055672. The cubic root of 812074484 is about 932.9648640188.

The spelling of 812074484 in words is "eight hundred twelve million, seventy-four thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 73 146 292 949 1898 3796 213929 427858 855716 2781077 5562154 11124308 15616817 31233634 62467268 203018621 406037242 812074484