Base | Representation |
---|---|
bin | 11100011100100… |
… | …01000101101110 |
3 | 121122000012112020 |
4 | 32032101011232 |
5 | 442041333123 |
6 | 35402251010 |
7 | 5625150105 |
oct | 1616210556 |
9 | 548005466 |
10 | 238621038 |
11 | 112771577 |
12 | 67ab6a66 |
13 | 3a58a2a6 |
14 | 2399703c |
15 | 15e377e3 |
hex | e39116e |
238621038 has 32 divisors (see below), whose sum is σ = 504627840. Its totient is φ = 75013920.
The previous prime is 238621007. The next prime is 238621039. The reversal of 238621038 is 830126832.
238621038 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238621039) 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, 21268 + ... + 30488.
It is an arithmetic number, because the mean of its divisors is an integer number (15769620).
Almost surely, 2238621038 is an apocalyptic number.
238621038 is an abundant number, since it is smaller than the sum of its proper divisors (266006802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238621038 is a wasteful number, since it uses less digits than its factorization.
238621038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9472.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 238621038 is about 15447.3634643586. The cubic root of 238621038 is about 620.2540044915.
The spelling of 238621038 in words is "two hundred thirty-eight million, six hundred twenty-one thousand, thirty-eight".
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