Base | Representation |
---|---|
bin | 10110100010110… |
… | …111100001010000 |
3 | 222100201112102221 |
4 | 112202313201100 |
5 | 1233312122211 |
6 | 101310550424 |
7 | 12241656526 |
oct | 2642674120 |
9 | 870645387 |
10 | 378239056 |
11 | 184562668 |
12 | a6808414 |
13 | 604927c0 |
14 | 3833c316 |
15 | 23315c71 |
hex | 168b7850 |
378239056 has 20 divisors (see below), whose sum is σ = 789210772. Its totient is φ = 174571776.
The previous prime is 378239039. The next prime is 378239087. The reversal of 378239056 is 650932873.
It can be written as a sum of positive squares in 2 ways, for example, as 172029456 + 206209600 = 13116^2 + 14360^2 .
It is a super-2 number, since 2×3782390562 = 286129566967542272, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909021 + ... + 909436.
Almost surely, 2378239056 is an apocalyptic number.
It is an amenable number.
378239056 is an abundant number, since it is smaller than the sum of its proper divisors (410971716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378239056 is a wasteful number, since it uses less digits than its factorization.
378239056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1818478 (or 1818472 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 43.
The square root of 378239056 is about 19448.3689804569. The cubic root of 378239056 is about 723.1950701396.
The spelling of 378239056 in words is "three hundred seventy-eight million, two hundred thirty-nine thousand, fifty-six".
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