Base | Representation |
---|---|
bin | 11100011010011… |
… | …10001101111000 |
3 | 121121111021210102 |
4 | 32031032031320 |
5 | 442004102003 |
6 | 35352334532 |
7 | 5622626405 |
oct | 1615161570 |
9 | 547437712 |
10 | 238347128 |
11 | 1125a47a8 |
12 | 679a4448 |
13 | 3a4c2706 |
14 | 239252ac |
15 | 15dd1588 |
hex | e34e378 |
238347128 has 16 divisors (see below), whose sum is σ = 448484280. Its totient is φ = 118751328.
The previous prime is 238347121. The next prime is 238347149. The reversal of 238347128 is 821743832.
It is a junction number, because it is equal to n+sod(n) for n = 238347091 and 238347100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238347121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50375 + ... + 54902.
Almost surely, 2238347128 is an apocalyptic number.
It is an amenable number.
238347128 is a deficient number, since it is larger than the sum of its proper divisors (210137152).
238347128 is a wasteful number, since it uses less digits than its factorization.
238347128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105566 (or 105562 counting only the distinct ones).
The product of its digits is 64512, while the sum is 38.
The square root of 238347128 is about 15438.4950043714. The cubic root of 238347128 is about 620.0165864449.
The spelling of 238347128 in words is "two hundred thirty-eight million, three hundred forty-seven thousand, one hundred twenty-eight".
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