Base | Representation |
---|---|
bin | 10110100100010… |
… | …111000001110000 |
3 | 222101110102001211 |
4 | 112210113001300 |
5 | 1233412132011 |
6 | 101323205504 |
7 | 12245206204 |
oct | 2644270160 |
9 | 871412054 |
10 | 378630256 |
11 | 1847aa574 |
12 | a6976894 |
13 | 6059b894 |
14 | 38400b04 |
15 | 23391b21 |
hex | 16917070 |
378630256 has 40 divisors (see below), whose sum is σ = 778075200. Its totient is φ = 177874944.
The previous prime is 378630227. The next prime is 378630269. The reversal of 378630256 is 652036873.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284665 + ... + 285991.
It is an arithmetic number, because the mean of its divisors is an integer number (19451880).
Almost surely, 2378630256 is an apocalyptic number.
It is an amenable number.
378630256 is an abundant number, since it is smaller than the sum of its proper divisors (399444944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378630256 is a wasteful number, since it uses less digits than its factorization.
378630256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2401 (or 2395 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 40.
The square root of 378630256 is about 19458.4237799468. The cubic root of 378630256 is about 723.4443097204. Note that the first 3 decimals are identical.
The spelling of 378630256 in words is "three hundred seventy-eight million, six hundred thirty thousand, two hundred fifty-six".
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