Base | Representation |
---|---|
bin | 10110110100111… |
… | …100100111010000 |
3 | 222200122022202100 |
4 | 112310330213100 |
5 | 1241020303022 |
6 | 102000320400 |
7 | 12330156300 |
oct | 2664744720 |
9 | 880568670 |
10 | 382978512 |
11 | 1871aa474 |
12 | a8313100 |
13 | 61461b07 |
14 | 38c13600 |
15 | 239501ac |
hex | 16d3c9d0 |
382978512 has 90 divisors (see below), whose sum is σ = 1246819938. Its totient is φ = 109420416.
The previous prime is 382978507. The next prime is 382978529. The reversal of 382978512 is 215879283.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 265559616 + 117418896 = 16296^2 + 10836^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20083 + ... + 34194.
Almost surely, 2382978512 is an apocalyptic number.
It is an amenable number.
382978512 is an abundant number, since it is smaller than the sum of its proper divisors (863841426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
382978512 is a wasteful number, since it uses less digits than its factorization.
382978512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54305 (or 54289 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 382978512 is about 19569.8367903261. The cubic root of 382978512 is about 726.2031624122.
The spelling of 382978512 in words is "three hundred eighty-two million, nine hundred seventy-eight thousand, five hundred twelve".
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