Base | Representation |
---|---|
bin | 1001100101011… |
… | …10110111010000 |
3 | 12121022011001200 |
4 | 10302232313100 |
5 | 131041024031 |
6 | 11551231200 |
7 | 1664312463 |
oct | 462566720 |
9 | 177264050 |
10 | 80408016 |
11 | 4142a807 |
12 | 22b18500 |
13 | 13874010 |
14 | a9712da |
15 | 70d48e6 |
hex | 4caedd0 |
80408016 has 60 divisors (see below), whose sum is σ = 242346468. Its totient is φ = 24740352.
The previous prime is 80407969. The next prime is 80408033. The reversal of 80408016 is 61080408.
It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 72590400 = 2796^2 + 8520^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19605 + ... + 23348.
Almost surely, 280408016 is an apocalyptic number.
It is an amenable number.
80408016 is an abundant number, since it is smaller than the sum of its proper divisors (161938452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80408016 is a wasteful number, since it uses less digits than its factorization.
80408016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42980 (or 42971 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 80408016 is about 8967.0516893793. The cubic root of 80408016 is about 431.6182326826.
The spelling of 80408016 in words is "eighty million, four hundred eight thousand, sixteen".
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