Base | Representation |
---|---|
bin | 1001100100110… |
… | …01001110000000 |
3 | 12121010122110010 |
4 | 10302121032000 |
5 | 131030204420 |
6 | 11545304520 |
7 | 1663463142 |
oct | 462311600 |
9 | 177118403 |
10 | 80319360 |
11 | 4137a140 |
12 | 22a95140 |
13 | 13842864 |
14 | a94ac92 |
15 | 70b84e0 |
hex | 4c99380 |
80319360 has 128 divisors (see below), whose sum is σ = 279365760. Its totient is φ = 19466240.
The previous prime is 80319353. The next prime is 80319361. The reversal of 80319360 is 6391308.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80319361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19219 + ... + 23021.
It is an arithmetic number, because the mean of its divisors is an integer number (2182545).
Almost surely, 280319360 is an apocalyptic number.
80319360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80319360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139682880).
80319360 is an abundant number, since it is smaller than the sum of its proper divisors (199046400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80319360 is a wasteful number, since it uses less digits than its factorization.
80319360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3836 (or 3824 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 80319360 is about 8962.1068951447. The cubic root of 80319360 is about 431.4595436193.
It can be divided in two parts, 8031 and 9360, that added together give a triangular number (17391 = T186).
The spelling of 80319360 in words is "eighty million, three hundred nineteen thousand, three hundred sixty".
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