Base | Representation |
---|---|
bin | 100001001001… |
… | …100101010000 |
3 | 121100111102212 |
4 | 201021211100 |
5 | 4211040000 |
6 | 510131252 |
7 | 133602164 |
oct | 41114520 |
9 | 17314385 |
10 | 8690000 |
11 | 49a5a20 |
12 | 2ab0b28 |
13 | 1a53517 |
14 | 1222ca4 |
15 | b69c35 |
hex | 849950 |
8690000 has 100 divisors (see below), whose sum is σ = 23242560. Its totient is φ = 3120000.
The previous prime is 8689997. The next prime is 8690041. The reversal of 8690000 is 968.
It is a tau number, because it is divible by the number of its divisors (100).
It is a super-2 number, since 2×86900002 = 151032200000000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109961 + ... + 110039.
Almost surely, 28690000 is an apocalyptic number.
8690000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11621280).
8690000 is an abundant number, since it is smaller than the sum of its proper divisors (14552560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8690000 is a wasteful number, since it uses less digits than its factorization.
8690000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118 (or 97 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 8690000 is about 2947.8805945967. The cubic root of 8690000 is about 205.5921802554.
Adding to 8690000 its reverse (968), we get a palindrome (8690968).
The spelling of 8690000 in words is "eight million, six hundred ninety thousand".
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