Base | Representation |
---|---|
bin | 1001100011000… |
… | …11011101101100 |
3 | 12120201110102022 |
4 | 10301203131230 |
5 | 131001133210 |
6 | 11540445312 |
7 | 1661555210 |
oct | 461433554 |
9 | 176643368 |
10 | 80099180 |
11 | 41239777 |
12 | 229a9838 |
13 | 13796585 |
14 | a8d0940 |
15 | 7073155 |
hex | 4c6376c |
80099180 has 24 divisors (see below), whose sum is σ = 192238368. Its totient is φ = 27462528.
The previous prime is 80099143. The next prime is 80099183. The reversal of 80099180 is 8199008.
It is a happy number.
It is a super-3 number, since 3×800991803 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 80099180.
It is not an unprimeable number, because it can be changed into a prime (80099183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285929 + ... + 286208.
It is an arithmetic number, because the mean of its divisors is an integer number (8009932).
Almost surely, 280099180 is an apocalyptic number.
It is an amenable number.
80099180 is an abundant number, since it is smaller than the sum of its proper divisors (112139188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80099180 is a wasteful number, since it uses less digits than its factorization.
80099180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572153 (or 572151 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 35.
The square root of 80099180 is about 8949.8145232178. The cubic root of 80099180 is about 431.0649284992.
The spelling of 80099180 in words is "eighty million, ninety-nine thousand, one hundred eighty".
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