Base | Representation |
---|---|
bin | 11100011011101… |
… | …10101010000000 |
3 | 121121210201000020 |
4 | 32031312222000 |
5 | 442024402033 |
6 | 35400053440 |
7 | 5624216334 |
oct | 1615665200 |
9 | 547721006 |
10 | 238512768 |
11 | 1126a819a |
12 | 67a64280 |
13 | 3a54cc20 |
14 | 239697c4 |
15 | 15e156b3 |
hex | e376a80 |
238512768 has 64 divisors (see below), whose sum is σ = 682298400. Its totient is φ = 73387008.
The previous prime is 238512749. The next prime is 238512797. The reversal of 238512768 is 867215832.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18898 + ... + 28881.
Almost surely, 2238512768 is an apocalyptic number.
It is an amenable number.
238512768 is an abundant number, since it is smaller than the sum of its proper divisors (443785632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238512768 is a wasteful number, since it uses less digits than its factorization.
238512768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47809 (or 47797 counting only the distinct ones).
The product of its digits is 161280, while the sum is 42.
The square root of 238512768 is about 15443.8585852111. The cubic root of 238512768 is about 620.1601806038.
The spelling of 238512768 in words is "two hundred thirty-eight million, five hundred twelve thousand, seven hundred sixty-eight".
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