Base | Representation |
---|---|
bin | 11111000011010110010100 |
3 | 120022120020011 |
4 | 133003112110 |
5 | 4040441210 |
6 | 450250004 |
7 | 126122206 |
oct | 37032624 |
9 | 16276204 |
10 | 8140180 |
11 | 465a924 |
12 | 2886904 |
13 | 18c0199 |
14 | 111c776 |
15 | aabd8a |
hex | 7c3594 |
8140180 has 24 divisors (see below), whose sum is σ = 17157672. Its totient is φ = 3244032.
The previous prime is 8140177. The next prime is 8140211. The reversal of 8140180 is 810418.
It can be written as a sum of positive squares in 4 ways, for example, as 1411344 + 6728836 = 1188^2 + 2594^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6484 + ... + 7636.
It is an arithmetic number, because the mean of its divisors is an integer number (714903).
Almost surely, 28140180 is an apocalyptic number.
It is an amenable number.
8140180 is an abundant number, since it is smaller than the sum of its proper divisors (9017492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8140180 is a wasteful number, since it uses less digits than its factorization.
8140180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1515 (or 1513 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 8140180 is about 2853.1000683467. The cubic root of 8140180 is about 201.1614092545.
Adding to 8140180 its reverse (810418), we get a palindrome (8950598).
The spelling of 8140180 in words is "eight million, one hundred forty thousand, one hundred eighty".
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