Base | Representation |
---|---|
bin | 101111111111101… |
… | …001000101110100 |
3 | 2002010011000221101 |
4 | 233333221011310 |
5 | 3122113300112 |
6 | 211522255444 |
7 | 25645123255 |
oct | 5777510564 |
9 | 2063130841 |
10 | 805212532 |
11 | 383581103 |
12 | 1a57b7584 |
13 | caa89627 |
14 | 78d24b2c |
15 | 4aa56757 |
hex | 2ffe9174 |
805212532 has 24 divisors (see below), whose sum is σ = 1417270400. Its totient is φ = 400286016.
The previous prime is 805212511. The next prime is 805212547. The reversal of 805212532 is 235212508.
It is a self number, because there is not a number n which added to its sum of digits gives 805212532.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 774469 + ... + 775507.
Almost surely, 2805212532 is an apocalyptic number.
It is an amenable number.
805212532 is a deficient number, since it is larger than the sum of its proper divisors (612057868).
805212532 is a wasteful number, since it uses less digits than its factorization.
805212532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1975 (or 1973 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 805212532 is about 28376.2670554109. The cubic root of 805212532 is about 930.3296060655.
The spelling of 805212532 in words is "eight hundred five million, two hundred twelve thousand, five hundred thirty-two".
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