Base | Representation |
---|---|
bin | 11110110100111100111000 |
3 | 120012120100000 |
4 | 132310330320 |
5 | 4032044313 |
6 | 445113000 |
7 | 125455242 |
oct | 36647470 |
9 | 16176300 |
10 | 8081208 |
11 | 461a593 |
12 | 2858760 |
13 | 189c3a5 |
14 | 1105092 |
15 | a99673 |
hex | 7b4f38 |
8081208 has 48 divisors (see below), whose sum is σ = 22702680. Its totient is φ = 2693088.
The previous prime is 8081197. The next prime is 8081221. The reversal of 8081208 is 8021808.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135 + ... + 4022.
Almost surely, 28081208 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 8081208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11351340).
8081208 is an abundant number, since it is smaller than the sum of its proper divisors (14621472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8081208 is a wasteful number, since it uses less digits than its factorization.
8081208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4178 (or 4162 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 27.
The square root of 8081208 is about 2842.7465592275. The cubic root of 8081208 is about 200.6744563200.
It can be divided in two parts, 808 and 1208, that added together give a triangular number (2016 = T63).
The spelling of 8081208 in words is "eight million, eighty-one thousand, two hundred eight".
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