Base | Representation |
---|---|
bin | 10110110001010… |
… | …100101111001101 |
3 | 222121212001220221 |
4 | 112301110233031 |
5 | 1240244404444 |
6 | 101524111341 |
7 | 12316122304 |
oct | 2661245715 |
9 | 877761827 |
10 | 382028749 |
11 | 186710943 |
12 | a7b35551 |
13 | 611bb71b |
14 | 38a4743b |
15 | 23813a84 |
hex | 16c54bcd |
382028749 has 2 divisors, whose sum is σ = 382028750. Its totient is φ = 382028748.
The previous prime is 382028711. The next prime is 382028767. The reversal of 382028749 is 947820283.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 364237225 + 17791524 = 19085^2 + 4218^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-382028749 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382028789) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191014374 + 191014375.
It is an arithmetic number, because the mean of its divisors is an integer number (191014375).
Almost surely, 2382028749 is an apocalyptic number.
It is an amenable number.
382028749 is a deficient number, since it is larger than the sum of its proper divisors (1).
382028749 is an equidigital number, since it uses as much as digits as its factorization.
382028749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 382028749 is about 19545.5557352560. Note that the first 3 decimals coincide. The cubic root of 382028749 is about 725.6023525196.
The spelling of 382028749 in words is "three hundred eighty-two million, twenty-eight thousand, seven hundred forty-nine".
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