Base | Representation |
---|---|
bin | 11111000101111… |
… | …10110100000100 |
3 | 200011210110022212 |
4 | 33202332310010 |
5 | 1013233002140 |
6 | 41514242552 |
7 | 6315001466 |
oct | 1742766404 |
9 | 604713285 |
10 | 260828420 |
11 | 12425a286 |
12 | 73426458 |
13 | 42064358 |
14 | 268d8136 |
15 | 17d72765 |
hex | f8bed04 |
260828420 has 24 divisors (see below), whose sum is σ = 565410048. Its totient is φ = 100965600.
The previous prime is 260828401. The next prime is 260828431. The reversal of 260828420 is 24828062.
It is a happy number.
260828420 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
260828420 is strictly pandigital in base 9.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209726 + ... + 210965.
It is an arithmetic number, because the mean of its divisors is an integer number (23558752).
Almost surely, 2260828420 is an apocalyptic number.
260828420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
260828420 is an abundant number, since it is smaller than the sum of its proper divisors (304581628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
260828420 is a wasteful number, since it uses less digits than its factorization.
260828420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420731 (or 420729 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 260828420 is about 16150.1832806938. The cubic root of 260828420 is about 638.9275822592.
The spelling of 260828420 in words is "two hundred sixty million, eight hundred twenty-eight thousand, four hundred twenty".
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