Base | Representation |
---|---|
bin | 10110101010000… |
… | …101101101111010 |
3 | 222111021201101001 |
4 | 112222011231322 |
5 | 1234303212333 |
6 | 101415315214 |
7 | 12264033124 |
oct | 2652055572 |
9 | 874251331 |
10 | 380132218 |
11 | 185635a64 |
12 | a737bb0a |
13 | 609a640b |
14 | 386b2214 |
15 | 2358bb7d |
hex | 16a85b7a |
380132218 has 16 divisors (see below), whose sum is σ = 584195976. Its totient is φ = 185440320.
The previous prime is 380132173. The next prime is 380132231. The reversal of 380132218 is 812231083.
It can be written as a sum of positive squares in 4 ways, for example, as 115842169 + 264290049 = 10763^2 + 16257^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280 + ... + 29092.
Almost surely, 2380132218 is an apocalyptic number.
380132218 is a deficient number, since it is larger than the sum of its proper divisors (204063758).
380132218 is a wasteful number, since it uses less digits than its factorization.
380132218 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20049.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 380132218 is about 19496.9797148174. The cubic root of 380132218 is about 724.3996412396.
The spelling of 380132218 in words is "three hundred eighty million, one hundred thirty-two thousand, two hundred eighteen".
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