Base | Representation |
---|---|
bin | 11100011001100… |
… | …01110111010111 |
3 | 121121021101111100 |
4 | 32030301313113 |
5 | 441441342444 |
6 | 35350041143 |
7 | 5621634006 |
oct | 1614616727 |
9 | 547241440 |
10 | 238230999 |
11 | 112525526 |
12 | 679491b3 |
13 | 3a4818b6 |
14 | 238d4c3d |
15 | 15dabe69 |
hex | e331dd7 |
238230999 has 12 divisors (see below), whose sum is σ = 348258456. Its totient is φ = 156906672.
The previous prime is 238230989. The next prime is 238231003. The reversal of 238230999 is 999032832.
It is not a de Polignac number, because 238230999 - 211 = 238228951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238230929) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158712 + ... + 160205.
It is an arithmetic number, because the mean of its divisors is an integer number (29021538).
Almost surely, 2238230999 is an apocalyptic number.
238230999 is a deficient number, since it is larger than the sum of its proper divisors (110027457).
238230999 is a wasteful number, since it uses less digits than its factorization.
238230999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 319006 (or 319003 counting only the distinct ones).
The product of its (nonzero) digits is 209952, while the sum is 45.
The square root of 238230999 is about 15434.7335253965. The cubic root of 238230999 is about 619.9158739482.
The spelling of 238230999 in words is "two hundred thirty-eight million, two hundred thirty thousand, nine hundred ninety-nine".
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