Base | Representation |
---|---|
bin | 11100011000010… |
… | …11000010001000 |
3 | 121120222022022102 |
4 | 32030023002020 |
5 | 441421300234 |
6 | 35342412532 |
7 | 5620402205 |
oct | 1614130210 |
9 | 546868272 |
10 | 238071944 |
11 | 112426a80 |
12 | 67891148 |
13 | 3a427396 |
14 | 23892cac |
15 | 15d79c7e |
hex | e30b088 |
238071944 has 64 divisors (see below), whose sum is σ = 518581440. Its totient is φ = 101263360.
The previous prime is 238071943. The next prime is 238071973. The reversal of 238071944 is 449170832.
It is a junction number, because it is equal to n+sod(n) for n = 238071898 and 238071907.
It is not an unprimeable number, because it can be changed into a prime (238071943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348227 + ... + 348909.
It is an arithmetic number, because the mean of its divisors is an integer number (8102835).
Almost surely, 2238071944 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 238071944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259290720).
238071944 is an abundant number, since it is smaller than the sum of its proper divisors (280509496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238071944 is a wasteful number, since it uses less digits than its factorization.
238071944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950 (or 946 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 238071944 is about 15429.5801627912. The cubic root of 238071944 is about 619.7778808917. Note that the first 3 decimals are identical.
The spelling of 238071944 in words is "two hundred thirty-eight million, seventy-one thousand, nine hundred forty-four".
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