Base | Representation |
---|---|
bin | 100111000001… |
… | …010000101100 |
3 | 201020200020201 |
4 | 213001100230 |
5 | 10104310110 |
6 | 1003123244 |
7 | 152641342 |
oct | 47012054 |
9 | 21220221 |
10 | 10228780 |
11 | 5857041 |
12 | 3513524 |
13 | 2171a43 |
14 | 1503992 |
15 | d70b3a |
hex | 9c142c |
10228780 has 12 divisors (see below), whose sum is σ = 21480480. Its totient is φ = 4091504.
The previous prime is 10228769. The next prime is 10228819. The reversal of 10228780 is 8782201.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255700 + ... + 255739.
It is an arithmetic number, because the mean of its divisors is an integer number (1790040).
Almost surely, 210228780 is an apocalyptic number.
10228780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10228780 is an abundant number, since it is smaller than the sum of its proper divisors (11251700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10228780 is a wasteful number, since it uses less digits than its factorization.
10228780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 511448 (or 511446 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 10228780 is about 3198.2463945106. The cubic root of 10228780 is about 217.0740684528.
It can be divided in two parts, 102 and 28780, that added together give a palindrome (28882).
The spelling of 10228780 in words is "ten million, two hundred twenty-eight thousand, seven hundred eighty".
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