Base | Representation |
---|---|
bin | 11110100111010110000000 |
3 | 120002201212201 |
4 | 132213112000 |
5 | 4023303342 |
6 | 444002544 |
7 | 125133610 |
oct | 36472600 |
9 | 16081781 |
10 | 8025472 |
11 | 4591724 |
12 | 2830454 |
13 | 187cc00 |
14 | 10cca40 |
15 | a87db7 |
hex | 7a7580 |
8025472 has 96 divisors (see below), whose sum is σ = 20159280. Its totient is φ = 3115008.
The previous prime is 8025469. The next prime is 8025473. The reversal of 8025472 is 2745208.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 8025472.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8025473) 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 11 ways as a sum of consecutive naturals, for example, 151398 + ... + 151450.
Almost surely, 28025472 is an apocalyptic number.
8025472 is the 1792-nd heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8025472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10079640).
8025472 is an abundant number, since it is smaller than the sum of its proper divisors (12133808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8025472 is a wasteful number, since it uses less digits than its factorization.
8025472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100 (or 75 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 8025472 is about 2832.9264021503. The cubic root of 8025472 is about 200.2120417786.
It can be divided in two parts, 80 and 25472, that added together give a palindrome (25552).
The spelling of 8025472 in words is "eight million, twenty-five thousand, four hundred seventy-two".
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