Base | Representation |
---|---|
bin | 10110101010000… |
… | …101100000100000 |
3 | 222111021200012021 |
4 | 112222011200200 |
5 | 1234303200420 |
6 | 101415311224 |
7 | 12264030460 |
oct | 2652054040 |
9 | 874250167 |
10 | 380131360 |
11 | 185635354 |
12 | a737b514 |
13 | 609a5bcb |
14 | 386b1ba0 |
15 | 2358b7aa |
hex | 16a85820 |
380131360 has 96 divisors (see below), whose sum is σ = 1037232000. Its totient is φ = 128950272.
The previous prime is 380131357. The next prime is 380131361. The reversal of 380131360 is 63131083.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (380131361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106891 + ... + 110389.
It is an arithmetic number, because the mean of its divisors is an integer number (10804500).
Almost surely, 2380131360 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 380131360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518616000).
380131360 is an abundant number, since it is smaller than the sum of its proper divisors (657100640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380131360 is a wasteful number, since it uses less digits than its factorization.
380131360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3618 (or 3610 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 380131360 is about 19496.9577113969. The cubic root of 380131360 is about 724.3990962228.
The spelling of 380131360 in words is "three hundred eighty million, one hundred thirty-one thousand, three hundred sixty".
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