Base | Representation |
---|---|
bin | 100001000111… |
… | …101110010110 |
3 | 121100010000000 |
4 | 201013232112 |
5 | 4210314030 |
6 | 510032130 |
7 | 133541043 |
oct | 41075626 |
9 | 17303000 |
10 | 8682390 |
11 | 49a0232 |
12 | 2aa8646 |
13 | 1a4cc12 |
14 | 12201ca |
15 | b67860 |
hex | 847b96 |
8682390 has 64 divisors (see below), whose sum is σ = 23497920. Its totient is φ = 2309472.
The previous prime is 8682343. The next prime is 8682391. The reversal of 8682390 is 932868.
8682390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×86823902 = 150767792224200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8682391) 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, 21672 + ... + 22068.
It is an arithmetic number, because the mean of its divisors is an integer number (367155).
Almost surely, 28682390 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8682390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11748960).
8682390 is an abundant number, since it is smaller than the sum of its proper divisors (14815530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8682390 is an equidigital number, since it uses as much as digits as its factorization.
8682390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425 (or 407 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 8682390 is about 2946.5895540438. The cubic root of 8682390 is about 205.5321490541.
The spelling of 8682390 in words is "eight million, six hundred eighty-two thousand, three hundred ninety".
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