Base | Representation |
---|---|
bin | 1111100111000010… |
… | …00001111010110000 |
3 | 210122001100222020000 |
4 | 13303201001322300 |
5 | 114130401130032 |
6 | 3503330550000 |
7 | 414450661452 |
oct | 76341017260 |
9 | 23561328200 |
10 | 8380489392 |
11 | 36106277a0 |
12 | 175a738300 |
13 | a37312c82 |
14 | 5970302d2 |
15 | 340b07e7c |
hex | 1f3841eb0 |
8380489392 has 400 divisors, whose sum is σ = 28130699520. Its totient is φ = 2383603200.
The previous prime is 8380489379. The next prime is 8380489393. The reversal of 8380489392 is 2939840838.
It is a happy number.
8380489392 is a `hidden beast` number, since 83 + 80 + 489 + 3 + 9 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (8380489393) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20000959 + ... + 20001377.
Almost surely, 28380489392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8380489392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14065349760).
8380489392 is an abundant number, since it is smaller than the sum of its proper divisors (19750210128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8380489392 is a wasteful number, since it uses less digits than its factorization.
8380489392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534 (or 519 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The square root of 8380489392 is about 91545.0129280673. The cubic root of 8380489392 is about 2031.2176434615.
The spelling of 8380489392 in words is "eight billion, three hundred eighty million, four hundred eighty-nine thousand, three hundred ninety-two".
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