Base | Representation |
---|---|
bin | 111110011011101… |
… | …010011000000100 |
3 | 2200222221101222120 |
4 | 332123222120010 |
5 | 4121121020402 |
6 | 251534125540 |
7 | 34646040405 |
oct | 7633523004 |
9 | 2628841876 |
10 | 1047438852 |
11 | 498285349 |
12 | 2529508b0 |
13 | 139009905 |
14 | 9d1799ac |
15 | 61e523bc |
hex | 3e6ea604 |
1047438852 has 24 divisors (see below), whose sum is σ = 2444904000. Its totient is φ = 349020576.
The previous prime is 1047438839. The next prime is 1047438853. The reversal of 1047438852 is 2588347401.
1047438852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (1047438853) 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, 22774 + ... + 51122.
It is an arithmetic number, because the mean of its divisors is an integer number (101871000).
Almost surely, 21047438852 is an apocalyptic number.
1047438852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1047438852 is an abundant number, since it is smaller than the sum of its proper divisors (1397465148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1047438852 is a wasteful number, since it uses less digits than its factorization.
1047438852 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31435 (or 31433 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The square root of 1047438852 is about 32364.1599921889. The cubic root of 1047438852 is about 1015.5692898666.
The spelling of 1047438852 in words is "one billion, forty-seven million, four hundred thirty-eight thousand, eight hundred fifty-two".
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