Base | Representation |
---|---|
bin | 100000111010… |
… | …011101110001 |
3 | 121020100111120 |
4 | 200322131301 |
5 | 4202044311 |
6 | 504532453 |
7 | 133223520 |
oct | 40723561 |
9 | 17210446 |
10 | 8628081 |
11 | 4963450 |
12 | 2a81129 |
13 | 1a31297 |
14 | 12084b7 |
15 | b56706 |
hex | 83a771 |
8628081 has 32 divisors (see below), whose sum is σ = 14708736. Its totient is φ = 4368000.
The previous prime is 8628077. The next prime is 8628097. The reversal of 8628081 is 1808268.
8628081 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8628081 - 22 = 8628077 is a prime.
It is a super-2 number, since 2×86280812 = 148887563485122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
8628081 is strictly pandigital in base 8.
It is not an unprimeable number, because it can be changed into a prime (8628031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9016 + ... + 9926.
It is an arithmetic number, because the mean of its divisors is an integer number (459648).
Almost surely, 28628081 is an apocalyptic number.
It is an amenable number.
8628081 is a deficient number, since it is larger than the sum of its proper divisors (6080655).
8628081 is a wasteful number, since it uses less digits than its factorization.
8628081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 973.
The product of its (nonzero) digits is 6144, while the sum is 33.
The square root of 8628081 is about 2937.3595285562. The cubic root of 8628081 is about 205.1027127561.
The spelling of 8628081 in words is "eight million, six hundred twenty-eight thousand, eighty-one".
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