Base | Representation |
---|---|
bin | 111101000110010… |
… | …111010000111000 |
3 | 2122102212101010000 |
4 | 331012113100320 |
5 | 4044410001303 |
6 | 245414553000 |
7 | 34255010361 |
oct | 7506272070 |
9 | 2572771100 |
10 | 1025078328 |
11 | 4866a257a |
12 | 247368760 |
13 | 1344aac31 |
14 | 9a1d8b68 |
15 | 5eed6da3 |
hex | 3d197438 |
1025078328 has 40 divisors (see below), whose sum is σ = 2871170280. Its totient is φ = 341692560.
The previous prime is 1025078323. The next prime is 1025078339. The reversal of 1025078328 is 8238705201.
1025078328 is a `hidden beast` number, since 10 + 250 + 78 + 328 = 666.
1025078328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1025078292 and 1025078301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025078321) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 790308 + ... + 791603.
It is an arithmetic number, because the mean of its divisors is an integer number (71779257).
Almost surely, 21025078328 is an apocalyptic number.
1025078328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1025078328 is an abundant number, since it is smaller than the sum of its proper divisors (1846091952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025078328 is a wasteful number, since it uses less digits than its factorization.
1025078328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1581929 (or 1581916 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The square root of 1025078328 is about 32016.8444416373. The cubic root of 1025078328 is about 1008.2905200014.
The spelling of 1025078328 in words is "one billion, twenty-five million, seventy-eight thousand, three hundred twenty-eight".
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