Base | Representation |
---|---|
bin | 11110100110000111010000 |
3 | 120002110222001 |
4 | 132212013100 |
5 | 4023123212 |
6 | 443523344 |
7 | 125113120 |
oct | 36460720 |
9 | 16073861 |
10 | 8020432 |
11 | 4588962 |
12 | 2829554 |
13 | 187a824 |
14 | 10cac80 |
15 | a86657 |
hex | 7a61d0 |
8020432 has 40 divisors (see below), whose sum is σ = 18699200. Its totient is φ = 3255552.
The previous prime is 8020429. The next prime is 8020433. The reversal of 8020432 is 2340208.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8020433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244 + ... + 4012.
It is an arithmetic number, because the mean of its divisors is an integer number (467480).
Almost surely, 28020432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8020432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9349600).
8020432 is an abundant number, since it is smaller than the sum of its proper divisors (10678768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8020432 is a wasteful number, since it uses less digits than its factorization.
8020432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3803 (or 3797 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 8020432 is about 2832.0367229257. The cubic root of 8020432 is about 200.1701219183.
The spelling of 8020432 in words is "eight million, twenty thousand, four hundred thirty-two".
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