Base | Representation |
---|---|
bin | 10111100001001… |
… | …101000100001000 |
3 | 1000111110202022200 |
4 | 113201031010020 |
5 | 1302003031412 |
6 | 103053120200 |
7 | 12530606454 |
oct | 2741150410 |
9 | 1014422280 |
10 | 394580232 |
11 | 192803a72 |
12 | b0189060 |
13 | 63994737 |
14 | 3a593664 |
15 | 249929dc |
hex | 1784d108 |
394580232 has 36 divisors (see below), whose sum is σ = 1069111485. Its totient is φ = 131470560.
The previous prime is 394580231. The next prime is 394580243. The reversal of 394580232 is 232085493.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 385179876 + 9400356 = 19626^2 + 3066^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=14046.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (394580231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 167382 + ... + 169722.
Almost surely, 2394580232 is an apocalyptic number.
It is an amenable number.
394580232 is an abundant number, since it is smaller than the sum of its proper divisors (674531253).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
394580232 is an equidigital number, since it uses as much as digits as its factorization.
394580232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4694 (or 2346 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 394580232 is about 19864.0436970925. The cubic root of 394580232 is about 733.4633897890.
The spelling of 394580232 in words is "three hundred ninety-four million, five hundred eighty thousand, two hundred thirty-two".
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