Base | Representation |
---|---|
bin | 10110100100010… |
… | …111000011001001 |
3 | 222101110102012010 |
4 | 112210113003021 |
5 | 1233412132340 |
6 | 101323210133 |
7 | 12245206362 |
oct | 2644270311 |
9 | 871412163 |
10 | 378630345 |
11 | 1847aa645 |
12 | a6976949 |
13 | 6059b932 |
14 | 38400b69 |
15 | 23391b80 |
hex | 169170c9 |
378630345 has 16 divisors (see below), whose sum is σ = 606646080. Its totient is φ = 201657024.
The previous prime is 378630337. The next prime is 378630377. The reversal of 378630345 is 543036873.
It is not a de Polignac number, because 378630345 - 23 = 378630337 is a prime.
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 15 ways as a sum of consecutive naturals, for example, 5994 + ... + 28163.
It is an arithmetic number, because the mean of its divisors is an integer number (37915380).
Almost surely, 2378630345 is an apocalyptic number.
It is an amenable number.
378630345 is a deficient number, since it is larger than the sum of its proper divisors (228015735).
378630345 is a wasteful number, since it uses less digits than its factorization.
378630345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34904.
The product of its (nonzero) digits is 181440, while the sum is 39.
The square root of 378630345 is about 19458.4260668740. The cubic root of 378630345 is about 723.4443664042. Note that the first 3 decimals are identical.
The spelling of 378630345 in words is "three hundred seventy-eight million, six hundred thirty thousand, three hundred forty-five".
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