Base | Representation |
---|---|
bin | 110111000010… |
… | …0000110111110 |
3 | 2000021212102102 |
4 | 1232010012332 |
5 | 24341241140 |
6 | 2510225102 |
7 | 500146400 |
oct | 156040676 |
9 | 60255372 |
10 | 28852670 |
11 | 15317490 |
12 | 97b5192 |
13 | 5c929b2 |
14 | 3b90b70 |
15 | 27ede15 |
hex | 1b841be |
28852670 has 96 divisors (see below), whose sum is σ = 67814496. Its totient is φ = 8736000.
The previous prime is 28852639. The next prime is 28852673. The reversal of 28852670 is 7625882.
It is a super-2 number, since 2×288526702 = 1664953132257800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28852673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285620 + ... + 285720.
It is an arithmetic number, because the mean of its divisors is an integer number (706401).
Almost surely, 228852670 is an apocalyptic number.
28852670 is an abundant number, since it is smaller than the sum of its proper divisors (38961826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28852670 is a wasteful number, since it uses less digits than its factorization.
28852670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186 (or 179 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 28852670 is about 5371.4681419515. The cubic root of 28852670 is about 306.7105180414.
It can be divided in two parts, 2885 and 2670, that added together give a palindrome (5555).
The spelling of 28852670 in words is "twenty-eight million, eight hundred fifty-two thousand, six hundred seventy".
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