Base | Representation |
---|---|
bin | 10101011101111… |
… | …00010100000100 |
3 | 110112211220100012 |
4 | 22232330110010 |
5 | 332044442303 |
6 | 25511405352 |
7 | 4314431150 |
oct | 1256742404 |
9 | 415756305 |
10 | 180077828 |
11 | 92716157 |
12 | 50383858 |
13 | 2b400438 |
14 | 19cb8060 |
15 | 10c215d8 |
hex | abbc504 |
180077828 has 12 divisors (see below), whose sum is σ = 360155712. Its totient is φ = 77176200.
The previous prime is 180077827. The next prime is 180077837. The reversal of 180077828 is 828770081.
180077828 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (180077827) 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 3 ways as a sum of consecutive naturals, for example, 3215648 + ... + 3215703.
It is an arithmetic number, because the mean of its divisors is an integer number (30012976).
Almost surely, 2180077828 is an apocalyptic number.
It is an amenable number.
180077828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180077828 is a wasteful number, since it uses less digits than its factorization.
180077828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6431362 (or 6431360 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 41.
The square root of 180077828 is about 13419.3080298501. The cubic root of 180077828 is about 564.7029822163.
The spelling of 180077828 in words is "one hundred eighty million, seventy-seven thousand, eight hundred twenty-eight".
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