Base | Representation |
---|---|
bin | 10110100101011… |
… | …111111111100101 |
3 | 222102000121001001 |
4 | 112211133333211 |
5 | 1234001213000 |
6 | 101333433301 |
7 | 12250562431 |
oct | 2645377745 |
9 | 872017031 |
10 | 378929125 |
11 | 184994073 |
12 | a6a9b831 |
13 | 60674923 |
14 | 3847b9c1 |
15 | 2340046a |
hex | 1695ffe5 |
378929125 has 16 divisors (see below), whose sum is σ = 474063408. Its totient is φ = 302400000.
The previous prime is 378929119. The next prime is 378929129. The reversal of 378929125 is 521929873.
It can be written as a sum of positive squares in 8 ways, for example, as 220017889 + 158911236 = 14833^2 + 12606^2 .
It is a de Polignac number, because none of the positive numbers 2k-378929125 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378929129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50625 + ... + 57625.
It is an arithmetic number, because the mean of its divisors is an integer number (29628963).
Almost surely, 2378929125 is an apocalyptic number.
It is an amenable number.
378929125 is a deficient number, since it is larger than the sum of its proper divisors (95134283).
378929125 is an equidigital number, since it uses as much as digits as its factorization.
378929125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7449 (or 7439 counting only the distinct ones).
The product of its digits is 272160, while the sum is 46.
The square root of 378929125 is about 19466.1019467175. The cubic root of 378929125 is about 723.6346081357.
The spelling of 378929125 in words is "three hundred seventy-eight million, nine hundred twenty-nine thousand, one hundred twenty-five".
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