Base | Representation |
---|---|
bin | 111101011011010… |
… | …000101011100100 |
3 | 2122211011200121010 |
4 | 331123100223210 |
5 | 4102310301023 |
6 | 250132222220 |
7 | 34352404401 |
oct | 7533205344 |
9 | 2584150533 |
10 | 1030556388 |
11 | 4897a42a4 |
12 | 24916a970 |
13 | 1356784a4 |
14 | 9ac232a8 |
15 | 6071a093 |
hex | 3d6d0ae4 |
1030556388 has 24 divisors (see below), whose sum is σ = 2546080992. Its totient is φ = 323311744.
The previous prime is 1030556369. The next prime is 1030556389. The reversal of 1030556388 is 8836550301.
It is not an unprimeable number, because it can be changed into a prime (1030556389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525670 + ... + 2526077.
It is an arithmetic number, because the mean of its divisors is an integer number (106086708).
Almost surely, 21030556388 is an apocalyptic number.
It is an amenable number.
1030556388 is an abundant number, since it is smaller than the sum of its proper divisors (1515524604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030556388 is a wasteful number, since it uses less digits than its factorization.
1030556388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5051771 (or 5051769 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 1030556388 is about 32102.2801059364. The cubic root of 1030556388 is about 1010.0834450548.
The spelling of 1030556388 in words is "one billion, thirty million, five hundred fifty-six thousand, three hundred eighty-eight".
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