Base | Representation |
---|---|
bin | 11100011101100… |
… | …00001010111001 |
3 | 121122020200011022 |
4 | 32032300022321 |
5 | 442104421340 |
6 | 35405112225 |
7 | 5626220213 |
oct | 1616601271 |
9 | 548220138 |
10 | 238748345 |
11 | 112849190 |
12 | 67b58675 |
13 | 3a603214 |
14 | 239cb5b3 |
15 | 15e603b5 |
hex | e3b02b9 |
238748345 has 16 divisors (see below), whose sum is σ = 315645120. Its totient is φ = 171912000.
The previous prime is 238748339. The next prime is 238748353. The reversal of 238748345 is 543847832.
238748345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238748345 - 220 = 237699769 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 238748296 and 238748305.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15935 + ... + 27044.
It is an arithmetic number, because the mean of its divisors is an integer number (19727820).
Almost surely, 2238748345 is an apocalyptic number.
It is an amenable number.
238748345 is a deficient number, since it is larger than the sum of its proper divisors (76896775).
238748345 is a wasteful number, since it uses less digits than its factorization.
238748345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43096.
The product of its digits is 645120, while the sum is 44.
The square root of 238748345 is about 15451.4835857273. The cubic root of 238748345 is about 620.3642890371.
The spelling of 238748345 in words is "two hundred thirty-eight million, seven hundred forty-eight thousand, three hundred forty-five".
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