Base | Representation |
---|---|
bin | 11100011101011… |
… | …10110011100100 |
3 | 121122020101111022 |
4 | 32032232303210 |
5 | 442104232011 |
6 | 35405030312 |
7 | 5626165010 |
oct | 1616566344 |
9 | 548211438 |
10 | 238742756 |
11 | 112844a6a |
12 | 67b55398 |
13 | 3a600805 |
14 | 239c9540 |
15 | 15e5d8db |
hex | e3aece4 |
238742756 has 12 divisors (see below), whose sum is σ = 477485568. Its totient is φ = 102318312.
The previous prime is 238742743. The next prime is 238742789. The reversal of 238742756 is 657247832.
238742756 is an admirable number.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263236 + ... + 4263291.
It is an arithmetic number, because the mean of its divisors is an integer number (39790464).
Almost surely, 2238742756 is an apocalyptic number.
It is an amenable number.
238742756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238742756 is a wasteful number, since it uses less digits than its factorization.
238742756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8526538 (or 8526536 counting only the distinct ones).
The product of its digits is 564480, while the sum is 44.
The square root of 238742756 is about 15451.3027282492. The cubic root of 238742756 is about 620.3594481755.
The spelling of 238742756 in words is "two hundred thirty-eight million, seven hundred forty-two thousand, seven hundred fifty-six".
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