| Base | Representation |
|---|---|
| bin | 1011011111100111011… |
| … | …01001001100010010000 |
| 3 | 1101202101101211102012100 |
| 4 | 11233303231021202100 |
| 5 | 22432304231113320 |
| 6 | 501232332000400 |
| 7 | 40350515520444 |
| oct | 5576355114220 |
| 9 | 1352341742170 |
| 10 | 394930722960 |
| 11 | 142542108544 |
| 12 | 64659600100 |
| 13 | 2b31b335027 |
| 14 | 15186c2a824 |
| 15 | a41685a790 |
| hex | 5bf3b49890 |
394930722960 has 120 divisors (see below), whose sum is σ = 1327610511864. Its totient is φ = 105211514880.
The previous prime is 394930722911. The next prime is 394930722961. The reversal of 394930722960 is 69227039493.
394930722960 is a `hidden beast` number, since 3 + 9 + 49 + 307 + 2 + 296 + 0 = 666.
394930722960 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 3275043984 + 391655678976 = 57228^2 + 625824^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a junction number, because it is equal to n+sod(n) for n = 394930722897 and 394930722906.
It is not an unprimeable number, because it can be changed into a prime (394930722961) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466504 + ... + 1003736.
Almost surely, 2394930722960 is an apocalyptic number.
394930722960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 394930722960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663805255932).
394930722960 is an abundant number, since it is smaller than the sum of its proper divisors (932679788904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
394930722960 is a wasteful number, since it uses less digits than its factorization.
394930722960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538273 (or 538264 counting only the distinct ones).
The product of its (nonzero) digits is 4408992, while the sum is 54.
The spelling of 394930722960 in words is "three hundred ninety-four billion, nine hundred thirty million, seven hundred twenty-two thousand, nine hundred sixty".
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