Base | Representation |
---|---|
bin | 1001100110110… |
… | …11001100101000 |
3 | 12121122101011022 |
4 | 10303123030220 |
5 | 131112331413 |
6 | 11555152012 |
7 | 1666000061 |
oct | 463331450 |
9 | 177571138 |
10 | 80589608 |
11 | 41544190 |
12 | 22ba5608 |
13 | 13908878 |
14 | a9bb568 |
15 | 711d608 |
hex | 4cdb328 |
80589608 has 64 divisors (see below), whose sum is σ = 178070400. Its totient is φ = 33806080.
The previous prime is 80589599. The next prime is 80589623. The reversal of 80589608 is 80698508.
It is a Harshad number since it is a multiple of its sum of digits (44).
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 15 ways as a sum of consecutive naturals, for example, 58010 + ... + 59382.
It is an arithmetic number, because the mean of its divisors is an integer number (2782350).
Almost surely, 280589608 is an apocalyptic number.
80589608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
80589608 is the 4799-th centered heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80589608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89035200).
80589608 is an abundant number, since it is smaller than the sum of its proper divisors (97480792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80589608 is a wasteful number, since it uses less digits than its factorization.
80589608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1442 (or 1438 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 44.
The square root of 80589608 is about 8977.1714921795. The cubic root of 80589608 is about 431.9429079787.
Subtracting 80589608 from its reverse (80698508), we obtain a square (108900 = 3302).
The spelling of 80589608 in words is "eighty million, five hundred eighty-nine thousand, six hundred eight".
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