Base | Representation |
---|---|
bin | 11100011101111… |
… | …11110001010101 |
3 | 121122100220210222 |
4 | 32032333301111 |
5 | 442113442440 |
6 | 35410324125 |
7 | 5626604420 |
oct | 1616776125 |
9 | 548326728 |
10 | 238812245 |
11 | 1128921a1 |
12 | 67b89645 |
13 | 3a626329 |
14 | 23a069b7 |
15 | 15e742b5 |
hex | e3bfc55 |
238812245 has 32 divisors (see below), whose sum is σ = 348019200. Its totient is φ = 153812736.
The previous prime is 238812241. The next prime is 238812247. The reversal of 238812245 is 542218832.
It is not a de Polignac number, because 238812245 - 22 = 238812241 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238812241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34376 + ... + 40734.
It is an arithmetic number, because the mean of its divisors is an integer number (10875600).
Almost surely, 2238812245 is an apocalyptic number.
It is an amenable number.
238812245 is a deficient number, since it is larger than the sum of its proper divisors (109206955).
238812245 is a wasteful number, since it uses less digits than its factorization.
238812245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6437.
The product of its digits is 30720, while the sum is 35.
The square root of 238812245 is about 15453.5512099970. The cubic root of 238812245 is about 620.4196300727.
The spelling of 238812245 in words is "two hundred thirty-eight million, eight hundred twelve thousand, two hundred forty-five".
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