Base | Representation |
---|---|
bin | 1001101001111… |
… | …00110001110000 |
3 | 12122101200102120 |
4 | 10310330301300 |
5 | 131213124141 |
6 | 12011514240 |
7 | 2002253253 |
oct | 464746160 |
9 | 178350376 |
10 | 80989296 |
11 | 41797503 |
12 | 23158980 |
13 | 13a1877b |
14 | aa8309a |
15 | 719bc66 |
hex | 4d3cc70 |
80989296 has 40 divisors (see below), whose sum is σ = 214093440. Its totient is φ = 26367936.
The previous prime is 80989283. The next prime is 80989351. The reversal of 80989296 is 69298908.
It is a congruent number.
It is an unprimeable number.
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, 17556 + ... + 21683.
It is an arithmetic number, because the mean of its divisors is an integer number (5352336).
Almost surely, 280989296 is an apocalyptic number.
80989296 is a gapful number since it is divisible by the number (86) formed by its first and last digit.
It is an amenable number.
80989296 is an abundant number, since it is smaller than the sum of its proper divisors (133104144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80989296 is a wasteful number, since it uses less digits than its factorization.
80989296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39293 (or 39287 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 51.
The square root of 80989296 is about 8999.4053136860. The cubic root of 80989296 is about 432.6558111916.
The spelling of 80989296 in words is "eighty million, nine hundred eighty-nine thousand, two hundred ninety-six".
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