Base | Representation |
---|---|
bin | 10110100100001… |
… | …000001011000100 |
3 | 222101100022121100 |
4 | 112210020023010 |
5 | 1233403210122 |
6 | 101322020100 |
7 | 12244533624 |
oct | 2644101304 |
9 | 871308540 |
10 | 378569412 |
11 | 184768891 |
12 | a6947630 |
13 | 60579c90 |
14 | 383c6884 |
15 | 2337daac |
hex | 169082c4 |
378569412 has 72 divisors (see below), whose sum is σ = 1040883480. Its totient is φ = 115315200.
The previous prime is 378569381. The next prime is 378569437. The reversal of 378569412 is 214965873.
378569412 is a `hidden beast` number, since 3 + 78 + 569 + 4 + 12 = 666.
378569412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 108493056 + 270076356 = 10416^2 + 16434^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43264 + ... + 51272.
It is an arithmetic number, because the mean of its divisors is an integer number (14456715).
Almost surely, 2378569412 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 378569412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520441740).
378569412 is an abundant number, since it is smaller than the sum of its proper divisors (662314068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378569412 is a wasteful number, since it uses less digits than its factorization.
378569412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8133 (or 8128 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 378569412 is about 19456.8602811451. The cubic root of 378569412 is about 723.4055563431.
The spelling of 378569412 in words is "three hundred seventy-eight million, five hundred sixty-nine thousand, four hundred twelve".
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