Base | Representation |
---|---|
bin | 10110100101011… |
… | …111011010010110 |
3 | 222102000110202210 |
4 | 112211133122112 |
5 | 1234001123432 |
6 | 101333414250 |
7 | 12250552455 |
oct | 2645373226 |
9 | 872013683 |
10 | 378926742 |
11 | 1849922a7 |
12 | a6a9a386 |
13 | 6067380c |
14 | 3847ab9c |
15 | 233ee8cc |
hex | 1695f696 |
378926742 has 32 divisors (see below), whose sum is σ = 768712032. Its totient is φ = 124511744.
The previous prime is 378926699. The next prime is 378926749. The reversal of 378926742 is 247629873.
It is a super-3 number, since 3×3789267423 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 378926691 and 378926700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378926749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132148 + ... + 134984.
It is an arithmetic number, because the mean of its divisors is an integer number (24022251).
Almost surely, 2378926742 is an apocalyptic number.
378926742 is an abundant number, since it is smaller than the sum of its proper divisors (389785290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378926742 is a wasteful number, since it uses less digits than its factorization.
378926742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3152.
The product of its digits is 1016064, while the sum is 48.
The square root of 378926742 is about 19466.0407376539. The cubic root of 378926742 is about 723.6330912075.
The spelling of 378926742 in words is "three hundred seventy-eight million, nine hundred twenty-six thousand, seven hundred forty-two".
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