Base | Representation |
---|---|
bin | 10110100011110… |
… | …000100111010000 |
3 | 222101011102020021 |
4 | 112203300213100 |
5 | 1233342113122 |
6 | 101315553224 |
7 | 12243652366 |
oct | 2643604720 |
9 | 871142207 |
10 | 378472912 |
11 | 184702334 |
12 | a68bb814 |
13 | 6054508c |
14 | 3839d636 |
15 | 233601c7 |
hex | 168f09d0 |
378472912 has 40 divisors (see below), whose sum is σ = 770861376. Its totient is φ = 179663616.
The previous prime is 378472903. The next prime is 378472931. The reversal of 378472912 is 219274873.
378472912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
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 7 ways as a sum of consecutive naturals, for example, 46663 + ... + 54169.
Almost surely, 2378472912 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 378472912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385430688).
378472912 is an abundant number, since it is smaller than the sum of its proper divisors (392388464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378472912 is a wasteful number, since it uses less digits than its factorization.
378472912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7675 (or 7669 counting only the distinct ones).
The product of its digits is 169344, while the sum is 43.
The square root of 378472912 is about 19454.3802779734. The cubic root of 378472912 is about 723.3440840684.
The spelling of 378472912 in words is "three hundred seventy-eight million, four hundred seventy-two thousand, nine hundred twelve".
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