Base | Representation |
---|---|
bin | 1001100100011… |
… | …10100110010100 |
3 | 12121001102210000 |
4 | 10302032212110 |
5 | 131022311420 |
6 | 11544331300 |
7 | 1663222260 |
oct | 462164624 |
9 | 177042700 |
10 | 80275860 |
11 | 4134a495 |
12 | 22a73b30 |
13 | 13828b12 |
14 | a9390a0 |
15 | 70aa690 |
hex | 4c8e994 |
80275860 has 120 divisors (see below), whose sum is σ = 287844480. Its totient is φ = 18346176.
The previous prime is 80275823. The next prime is 80275873. The reversal of 80275860 is 6857208.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7801 + ... + 14879.
It is an arithmetic number, because the mean of its divisors is an integer number (2398704).
Almost surely, 280275860 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 80275860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143922240).
80275860 is an abundant number, since it is smaller than the sum of its proper divisors (207568620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80275860 is a wasteful number, since it uses less digits than its factorization.
80275860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7107 (or 7096 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 80275860 is about 8959.6796817743. The cubic root of 80275860 is about 431.3816384524.
The spelling of 80275860 in words is "eighty million, two hundred seventy-five thousand, eight hundred sixty".
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