Base | Representation |
---|---|
bin | 10110100011000… |
… | …010100000111010 |
3 | 222100210211012212 |
4 | 112203002200322 |
5 | 1233320042330 |
6 | 101311535122 |
7 | 12242235032 |
oct | 2643024072 |
9 | 870724185 |
10 | 378284090 |
11 | 184593488 |
12 | a682a4a2 |
13 | 604aa152 |
14 | 383508c2 |
15 | 23324295 |
hex | 168c283a |
378284090 has 8 divisors (see below), whose sum is σ = 680911380. Its totient is φ = 151313632.
The previous prime is 378284089. The next prime is 378284099. The reversal of 378284090 is 90482873.
It can be written as a sum of positive squares in 2 ways, for example, as 365230321 + 13053769 = 19111^2 + 3613^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (378284099) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18914195 + ... + 18914214.
Almost surely, 2378284090 is an apocalyptic number.
378284090 is a deficient number, since it is larger than the sum of its proper divisors (302627290).
378284090 is a wasteful number, since it uses less digits than its factorization.
378284090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37828416.
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 378284090 is about 19449.5267294605. The cubic root of 378284090 is about 723.2237707491.
The spelling of 378284090 in words is "three hundred seventy-eight million, two hundred eighty-four thousand, ninety".
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