Base | Representation |
---|---|
bin | 100001001011… |
… | …100000001000 |
3 | 121100220020010 |
4 | 201023200020 |
5 | 4211312424 |
6 | 510231520 |
7 | 133634130 |
oct | 41134010 |
9 | 17326203 |
10 | 8697864 |
11 | 4a0091a |
12 | 2ab55a0 |
13 | 1a56c86 |
14 | 1225ac0 |
15 | b6c229 |
hex | 84b808 |
8697864 has 64 divisors (see below), whose sum is σ = 25943040. Its totient is φ = 2376000.
The previous prime is 8697859. The next prime is 8697869. The reversal of 8697864 is 4687968.
It is an interprime number because it is at equal distance from previous prime (8697859) and next prime (8697869).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8697869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2739 + ... + 4989.
It is an arithmetic number, because the mean of its divisors is an integer number (405360).
Almost surely, 28697864 is an apocalyptic number.
8697864 is a gapful number since it is divisible by the number (84) 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 8697864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12971520).
8697864 is an abundant number, since it is smaller than the sum of its proper divisors (17245176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8697864 is a wasteful number, since it uses less digits than its factorization.
8697864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2290 (or 2286 counting only the distinct ones).
The product of its digits is 580608, while the sum is 48.
The square root of 8697864 is about 2949.2141326123. The cubic root of 8697864 is about 205.6541783164.
The spelling of 8697864 in words is "eight million, six hundred ninety-seven thousand, eight hundred sixty-four".
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