Base | Representation |
---|---|
bin | 11101110111001010110010 |
3 | 112201201012100 |
4 | 131313022302 |
5 | 4001000041 |
6 | 435441230 |
7 | 123352404 |
oct | 35671262 |
9 | 15651170 |
10 | 7828146 |
11 | 4467447 |
12 | 2756216 |
13 | 1811151 |
14 | 107ab74 |
15 | a496b6 |
hex | 7772b2 |
7828146 has 24 divisors (see below), whose sum is σ = 17216784. Its totient is φ = 2570040.
The previous prime is 7828141. The next prime is 7828147. The reversal of 7828146 is 6418287.
It is a super-2 number, since 2×78281462 = 122559739594632, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7828146.
It is not an unprimeable number, because it can be changed into a prime (7828141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2040 + ... + 4451.
It is an arithmetic number, because the mean of its divisors is an integer number (717366).
Almost surely, 27828146 is an apocalyptic number.
7828146 is an abundant number, since it is smaller than the sum of its proper divisors (9388638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7828146 is a wasteful number, since it uses less digits than its factorization.
7828146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6566 (or 6563 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 7828146 is about 2797.8824135406. The cubic root of 7828146 is about 198.5575043780.
It can be divided in two parts, 78 and 28146, that added together give a square (28224 = 1682).
The spelling of 7828146 in words is "seven million, eight hundred twenty-eight thousand, one hundred forty-six".
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