Base | Representation |
---|---|
bin | 11100011010011… |
… | …00001011010110 |
3 | 121121110212100000 |
4 | 32031030023112 |
5 | 442003320044 |
6 | 35352232130 |
7 | 5622563142 |
oct | 1615141326 |
9 | 547425300 |
10 | 238338774 |
11 | 1125994a3 |
12 | 6799b646 |
13 | 3a4bb97b |
14 | 23922222 |
15 | 15dcdd69 |
hex | e34c2d6 |
238338774 has 96 divisors (see below), whose sum is σ = 575527680. Its totient is φ = 73693152.
The previous prime is 238338743. The next prime is 238338787. The reversal of 238338774 is 477833832.
238338774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Its product of digits (677376) is a multiple of the sum of its prime factors (576).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489159 + ... + 489645.
It is an arithmetic number, because the mean of its divisors is an integer number (5995080).
Almost surely, 2238338774 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238338774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287763840).
238338774 is an abundant number, since it is smaller than the sum of its proper divisors (337188906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238338774 is a wasteful number, since it uses less digits than its factorization.
238338774 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576 (or 564 counting only the distinct ones).
The product of its digits is 677376, while the sum is 45.
The square root of 238338774 is about 15438.2244445402. The cubic root of 238338774 is about 620.0093425578.
The spelling of 238338774 in words is "two hundred thirty-eight million, three hundred thirty-eight thousand, seven hundred seventy-four".
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