Base | Representation |
---|---|
bin | 10110101011101… |
… | …110010000101100 |
3 | 222112002110202200 |
4 | 112223232100230 |
5 | 1234410413203 |
6 | 101432421500 |
7 | 12300465423 |
oct | 2653562054 |
9 | 875073680 |
10 | 380560428 |
11 | 1858a8756 |
12 | a7547890 |
13 | 60ac62b1 |
14 | 387842ba |
15 | 236239a3 |
hex | 16aee42c |
380560428 has 18 divisors (see below), whose sum is σ = 961972284. Its totient is φ = 126853464.
The previous prime is 380560423. The next prime is 380560447. The reversal of 380560428 is 824065083.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10571123 = 380560428 / (3 + 8 + 0 + 5 + 6 + 0 + 4 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 380560392 and 380560401.
It is not an unprimeable number, because it can be changed into a prime (380560423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5285526 + ... + 5285597.
Almost surely, 2380560428 is an apocalyptic number.
It is an amenable number.
380560428 is an abundant number, since it is smaller than the sum of its proper divisors (581411856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380560428 is a wasteful number, since it uses less digits than its factorization.
380560428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10571133 (or 10571128 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 380560428 is about 19507.9580684397. The cubic root of 380560428 is about 724.6715455514.
The spelling of 380560428 in words is "three hundred eighty million, five hundred sixty thousand, four hundred twenty-eight".
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