Base | Representation |
---|---|
bin | 10110100101000… |
… | …011100111001010 |
3 | 222101210200120110 |
4 | 112211003213022 |
5 | 1233434002444 |
6 | 101331135150 |
7 | 12246566466 |
oct | 2645034712 |
9 | 871720513 |
10 | 378812874 |
11 | 1849147a0 |
12 | a6a444b6 |
13 | 60633a3b |
14 | 3844b4a6 |
15 | 233cacb9 |
hex | 169439ca |
378812874 has 16 divisors (see below), whose sum is σ = 826500960. Its totient is φ = 114791760.
The previous prime is 378812813. The next prime is 378812881. The reversal of 378812874 is 478218873.
It is a happy number.
378812874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 2869729 + ... + 2869860.
It is an arithmetic number, because the mean of its divisors is an integer number (51656310).
Almost surely, 2378812874 is an apocalyptic number.
378812874 is an abundant number, since it is smaller than the sum of its proper divisors (447688086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378812874 is a wasteful number, since it uses less digits than its factorization.
378812874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5739605.
The product of its digits is 602112, while the sum is 48.
The square root of 378812874 is about 19463.1157320713. The cubic root of 378812874 is about 723.5605997039.
It can be divided in two parts, 37881 and 2874, that added together give a triangular number (40755 = T285).
The spelling of 378812874 in words is "three hundred seventy-eight million, eight hundred twelve thousand, eight hundred seventy-four".
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