Base | Representation |
---|---|
bin | 11111011010010100000000 |
3 | 120111100020212 |
4 | 133122110000 |
5 | 4101443430 |
6 | 452253252 |
7 | 126663350 |
oct | 37322400 |
9 | 16440225 |
10 | 8234240 |
11 | 4714563 |
12 | 2911228 |
13 | 1923c41 |
14 | 1144b60 |
15 | ac9b95 |
hex | 7da500 |
8234240 has 72 divisors (see below), whose sum is σ = 22565760. Its totient is φ = 2820096.
The previous prime is 8234209. The next prime is 8234243. The reversal of 8234240 is 424328.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8234243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8501 + ... + 9419.
Almost surely, 28234240 is an apocalyptic number.
8234240 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 8234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11282880).
8234240 is an abundant number, since it is smaller than the sum of its proper divisors (14331520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8234240 is an equidigital number, since it uses as much as digits as its factorization.
8234240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 947 (or 933 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 8234240 is about 2869.5365479464. The cubic root of 8234240 is about 201.9332524624.
Adding to 8234240 its reverse (424328), we get a palindrome (8658568).
The spelling of 8234240 in words is "eight million, two hundred thirty-four thousand, two hundred forty".
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