Base | Representation |
---|---|
bin | 11100011000101… |
… | …01100010101101 |
3 | 121121001111100200 |
4 | 32030111202231 |
5 | 441424134424 |
6 | 35343344113 |
7 | 5620641540 |
oct | 1614254255 |
9 | 547044320 |
10 | 238114989 |
11 | 112456352 |
12 | 678b2039 |
13 | 3a440b58 |
14 | 238a4857 |
15 | 15d878c9 |
hex | e3158ad |
238114989 has 24 divisors (see below), whose sum is σ = 394734912. Its totient is φ = 135492480.
The previous prime is 238114957. The next prime is 238114991. The reversal of 238114989 is 989411832.
238114989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238114989 - 25 = 238114957 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238114939) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7342 + ... + 23024.
It is an arithmetic number, because the mean of its divisors is an integer number (16447288).
Almost surely, 2238114989 is an apocalyptic number.
It is an amenable number.
238114989 is a deficient number, since it is larger than the sum of its proper divisors (156619923).
238114989 is a wasteful number, since it uses less digits than its factorization.
238114989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15937 (or 15934 counting only the distinct ones).
The product of its digits is 124416, while the sum is 45.
The square root of 238114989 is about 15430.9749853987. The cubic root of 238114989 is about 619.8152319696.
The spelling of 238114989 in words is "two hundred thirty-eight million, one hundred fourteen thousand, nine hundred eighty-nine".
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