Base | Representation |
---|---|
bin | 1001100111100… |
… | …01110101001000 |
3 | 12121211002022210 |
4 | 10303301311020 |
5 | 131123313222 |
6 | 12001145120 |
7 | 1666534254 |
oct | 463616510 |
9 | 177732283 |
10 | 80682312 |
11 | 415a78a7 |
12 | 2302b1a0 |
13 | 1393bb19 |
14 | aa03264 |
15 | 713ad0c |
hex | 4cf1d48 |
80682312 has 32 divisors (see below), whose sum is σ = 202140000. Its totient is φ = 26836224.
The previous prime is 80682307. The next prime is 80682313. The reversal of 80682312 is 21328608.
It is a self number, because there is not a number n which added to its sum of digits gives 80682312.
It is not an unprimeable number, because it can be changed into a prime (80682313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8608 + ... + 15344.
It is an arithmetic number, because the mean of its divisors is an integer number (6316875).
Almost surely, 280682312 is an apocalyptic number.
It is an amenable number.
80682312 is an abundant number, since it is smaller than the sum of its proper divisors (121457688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80682312 is a wasteful number, since it uses less digits than its factorization.
80682312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7245 (or 7241 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 80682312 is about 8982.3333271484. Note that the first 4 decimals coincide. The cubic root of 80682312 is about 432.1084689904.
The spelling of 80682312 in words is "eighty million, six hundred eighty-two thousand, three hundred twelve".
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