Base | Representation |
---|---|
bin | 11100011100011… |
… | …11001110001001 |
3 | 121121222211000210 |
4 | 32032033032021 |
5 | 442041112020 |
6 | 35402151333 |
7 | 5625115563 |
oct | 1616171611 |
9 | 547884023 |
10 | 238613385 |
11 | 11276684a |
12 | 67ab2549 |
13 | 3a58696a |
14 | 23994333 |
15 | 15e353e0 |
hex | e38f389 |
238613385 has 24 divisors (see below), whose sum is σ = 399115584. Its totient is φ = 121723360.
The previous prime is 238613369. The next prime is 238613387. The reversal of 238613385 is 583316832.
It is not a de Polignac number, because 238613385 - 24 = 238613369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (238613387) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7101 + ... + 22970.
It is an arithmetic number, because the mean of its divisors is an integer number (16629816).
Almost surely, 2238613385 is an apocalyptic number.
It is an amenable number.
238613385 is a deficient number, since it is larger than the sum of its proper divisors (160502199).
238613385 is a wasteful number, since it uses less digits than its factorization.
238613385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30125 (or 30102 counting only the distinct ones).
The product of its digits is 103680, while the sum is 39.
The square root of 238613385 is about 15447.1157501975. The cubic root of 238613385 is about 620.2473735385.
The spelling of 238613385 in words is "two hundred thirty-eight million, six hundred thirteen thousand, three hundred eighty-five".
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