Base | Representation |
---|---|
bin | 11100011010010… |
… | …10010110000100 |
3 | 121121110111001000 |
4 | 32031022112010 |
5 | 442003100033 |
6 | 35352133300 |
7 | 5622532230 |
oct | 1615122604 |
9 | 547414030 |
10 | 238331268 |
11 | 11259389a |
12 | 67997230 |
13 | 3a4b8426 |
14 | 2391d5c0 |
15 | 15dcba13 |
hex | e34a584 |
238331268 has 96 divisors (see below), whose sum is σ = 708915200. Its totient is φ = 67830048.
The previous prime is 238331257. The next prime is 238331293. The reversal of 238331268 is 862133832.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277023 + ... + 277881.
Almost surely, 2238331268 is an apocalyptic number.
238331268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238331268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354457600).
238331268 is an abundant number, since it is smaller than the sum of its proper divisors (470583932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238331268 is a wasteful number, since it uses less digits than its factorization.
238331268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1246 (or 1238 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 238331268 is about 15437.9813447225. The cubic root of 238331268 is about 620.0028338407.
The spelling of 238331268 in words is "two hundred thirty-eight million, three hundred thirty-one thousand, two hundred sixty-eight".
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