Base | Representation |
---|---|
bin | 111100001001000… |
… | …001001000001000 |
3 | 2121022121100111112 |
4 | 330021001020020 |
5 | 4031300344442 |
6 | 244042145452 |
7 | 34001221562 |
oct | 7411011010 |
9 | 2538540445 |
10 | 1008996872 |
11 | 478609314 |
12 | 241ab2288 |
13 | 13106a290 |
14 | 98010332 |
15 | 5d8ac082 |
hex | 3c241208 |
1008996872 has 32 divisors (see below), whose sum is σ = 2043514200. Its totient is φ = 464292864.
The previous prime is 1008996871. The next prime is 1008996883. The reversal of 1008996872 is 2786998001.
It can be written as a sum of positive squares in 4 ways, for example, as 783216196 + 225780676 = 27986^2 + 15026^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1008996872.
It is not an unprimeable number, because it can be changed into a prime (1008996871) 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, 20654 + ... + 49442.
Almost surely, 21008996872 is an apocalyptic number.
It is an amenable number.
1008996872 is an abundant number, since it is smaller than the sum of its proper divisors (1034517328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1008996872 is a wasteful number, since it uses less digits than its factorization.
1008996872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29145 (or 29141 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 50.
The square root of 1008996872 is about 31764.7111115464. The cubic root of 1008996872 is about 1002.9900082735.
The spelling of 1008996872 in words is "one billion, eight million, nine hundred ninety-six thousand, eight hundred seventy-two".
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