Base | Representation |
---|---|
bin | 1001100011011… |
… | …11000101111100 |
3 | 12120210212202110 |
4 | 10301233011330 |
5 | 131004144222 |
6 | 11541454020 |
7 | 1662144114 |
oct | 461570574 |
9 | 176725673 |
10 | 80146812 |
11 | 41271539 |
12 | 22a11310 |
13 | 137b2165 |
14 | a904044 |
15 | 708230c |
hex | 4c6f17c |
80146812 has 48 divisors (see below), whose sum is σ = 198858240. Its totient is φ = 25067328.
The previous prime is 80146783. The next prime is 80146813. The reversal of 80146812 is 21864108.
It is a super-2 number, since 2×801468122 = 12847022947526688, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80146812.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80146813) 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, 11889 + ... + 17367.
It is an arithmetic number, because the mean of its divisors is an integer number (4142880).
Almost surely, 280146812 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80146812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99429120).
80146812 is an abundant number, since it is smaller than the sum of its proper divisors (118711428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80146812 is a wasteful number, since it uses less digits than its factorization.
80146812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5562 (or 5560 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 80146812 is about 8952.4751884605. The cubic root of 80146812 is about 431.1503576553.
The spelling of 80146812 in words is "eighty million, one hundred forty-six thousand, eight hundred twelve".
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