Base | Representation |
---|---|
bin | 110110001100… |
… | …0010101111100 |
3 | 1222110102220220 |
4 | 1230120111330 |
5 | 24233130020 |
6 | 2452541340 |
7 | 463330443 |
oct | 154302574 |
9 | 58412826 |
10 | 28411260 |
11 | 15045889 |
12 | 9621850 |
13 | 5b69ac7 |
14 | 3ab7d5a |
15 | 2763240 |
hex | 1b1857c |
28411260 has 48 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 7549504.
The previous prime is 28411241. The next prime is 28411291. The reversal of 28411260 is 6211482.
It is a self number, because there is not a number n which added to its sum of digits gives 28411260.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 20881 + ... + 22199.
It is an arithmetic number, because the mean of its divisors is an integer number (1663200).
Almost surely, 228411260 is an apocalyptic number.
28411260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28411260 is an abundant number, since it is smaller than the sum of its proper divisors (51422340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28411260 is a wasteful number, since it uses less digits than its factorization.
28411260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690 (or 1688 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 28411260 is about 5330.2213837701. The cubic root of 28411260 is about 305.1383766974.
The spelling of 28411260 in words is "twenty-eight million, four hundred eleven thousand, two hundred sixty".
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