Base | Representation |
---|---|
bin | 101111101101011… |
… | …110001010111100 |
3 | 2001210012000220010 |
4 | 233231132022330 |
5 | 3114403333322 |
6 | 211232223220 |
7 | 25556464113 |
oct | 5755361274 |
9 | 2053160803 |
10 | 800449212 |
11 | 380918382 |
12 | 1a409ab10 |
13 | c9aac4b4 |
14 | 78444c7a |
15 | 4a41520c |
hex | 2fb5e2bc |
800449212 has 12 divisors (see below), whose sum is σ = 1867714856. Its totient is φ = 266816400.
The previous prime is 800449193. The next prime is 800449219. The reversal of 800449212 is 212944008.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 800449212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (800449219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33352039 + ... + 33352062.
Almost surely, 2800449212 is an apocalyptic number.
It is an amenable number.
800449212 is an abundant number, since it is smaller than the sum of its proper divisors (1067265644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
800449212 is a wasteful number, since it uses less digits than its factorization.
800449212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66704108 (or 66704106 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 800449212 is about 28292.2111543089. The cubic root of 800449212 is about 928.4914889943.
The spelling of 800449212 in words is "eight hundred million, four hundred forty-nine thousand, two hundred twelve".
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