Base | Representation |
---|---|
bin | 11100011010011… |
… | …00000000011000 |
3 | 121121110211101000 |
4 | 32031030000120 |
5 | 442003304242 |
6 | 35352225000 |
7 | 5622561120 |
oct | 1615140030 |
9 | 547424330 |
10 | 238338072 |
11 | 112598a15 |
12 | 6799b160 |
13 | 3a4bb55b |
14 | 23921c80 |
15 | 15dcda4c |
hex | e34c018 |
238338072 has 128 divisors (see below), whose sum is σ = 760665600. Its totient is φ = 67734144.
The previous prime is 238338059. The next prime is 238338077. The reversal of 238338072 is 270833832.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238338077) 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, 427618 + ... + 428174.
It is an arithmetic number, because the mean of its divisors is an integer number (5942700).
Almost surely, 2238338072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238338072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380332800).
238338072 is an abundant number, since it is smaller than the sum of its proper divisors (522327528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238338072 is a wasteful number, since it uses less digits than its factorization.
238338072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862 (or 852 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 238338072 is about 15438.2017087483. The cubic root of 238338072 is about 620.0087338347.
The spelling of 238338072 in words is "two hundred thirty-eight million, three hundred thirty-eight thousand, seventy-two".
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