Base | Representation |
---|---|
bin | 111101011100010… |
… | …011001010110000 |
3 | 2122211200112011111 |
4 | 331130103022300 |
5 | 4102343004340 |
6 | 250142123104 |
7 | 34354620355 |
oct | 7534231260 |
9 | 2584615144 |
10 | 1030828720 |
11 | 48996a969 |
12 | 249280494 |
13 | 13574242c |
14 | 9ac9462c |
15 | 60770aea |
hex | 3d7132b0 |
1030828720 has 40 divisors (see below), whose sum is σ = 2500884576. Its totient is φ = 394403328.
The previous prime is 1030828703. The next prime is 1030828759. The reversal of 1030828720 is 278280301.
1030828720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
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, 278277 + ... + 281956.
Almost surely, 21030828720 is an apocalyptic number.
1030828720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030828720 is an abundant number, since it is smaller than the sum of its proper divisors (1470055856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030828720 is a wasteful number, since it uses less digits than its factorization.
1030828720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560269 (or 560263 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 1030828720 is about 32106.5214559285. The cubic root of 1030828720 is about 1010.1724111774.
The spelling of 1030828720 in words is "one billion, thirty million, eight hundred twenty-eight thousand, seven hundred twenty".
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