Base | Representation |
---|---|
bin | 110000011100100… |
… | …111100111111000 |
3 | 2002122102221220210 |
4 | 300130213213320 |
5 | 3131034334241 |
6 | 212353151120 |
7 | 26066521440 |
oct | 6034474770 |
9 | 2078387823 |
10 | 812808696 |
11 | 38789a227 |
12 | 1a825b4a0 |
13 | cc518cbb |
14 | 79d41120 |
15 | 4b557316 |
hex | 307279f8 |
812808696 has 64 divisors (see below), whose sum is σ = 2324494080. Its totient is φ = 232012800.
The previous prime is 812808683. The next prime is 812808697. The reversal of 812808696 is 696808218.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (812808697) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283671 + ... + 286521.
It is an arithmetic number, because the mean of its divisors is an integer number (36320220).
Almost surely, 2812808696 is an apocalyptic number.
It is an amenable number.
812808696 is an abundant number, since it is smaller than the sum of its proper divisors (1511685384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
812808696 is a wasteful number, since it uses less digits than its factorization.
812808696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4564 (or 4560 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 48.
The square root of 812808696 is about 28509.7999992985. The cubic root of 812808696 is about 933.2459497555.
The spelling of 812808696 in words is "eight hundred twelve million, eight hundred eight thousand, six hundred ninety-six".
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