Base | Representation |
---|---|
bin | 10110100100101… |
… | …001010101101010 |
3 | 222101121012221200 |
4 | 112210221111222 |
5 | 1233422032013 |
6 | 101324545030 |
7 | 12245640651 |
oct | 2644512552 |
9 | 871535850 |
10 | 378705258 |
11 | 184850958 |
12 | a69b2176 |
13 | 605c6a69 |
14 | 38420198 |
15 | 233a8e73 |
hex | 1692956a |
378705258 has 48 divisors (see below), whose sum is σ = 885755520. Its totient is φ = 116579232.
The previous prime is 378705251. The next prime is 378705293. The reversal of 378705258 is 852507873.
It is not an unprimeable number, because it can be changed into a prime (378705251) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3766 + ... + 27777.
It is an arithmetic number, because the mean of its divisors is an integer number (18453240).
Almost surely, 2378705258 is an apocalyptic number.
378705258 is an abundant number, since it is smaller than the sum of its proper divisors (507050262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378705258 is a wasteful number, since it uses less digits than its factorization.
378705258 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31603 (or 31600 counting only the distinct ones).
The product of its (nonzero) digits is 470400, while the sum is 45.
The square root of 378705258 is about 19460.3509218102. The cubic root of 378705258 is about 723.4920750420.
The spelling of 378705258 in words is "three hundred seventy-eight million, seven hundred five thousand, two hundred fifty-eight".
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