Base | Representation |
---|---|
bin | 10110110011111… |
… | …011101010101001 |
3 | 222200010210211122 |
4 | 112303323222221 |
5 | 1240433244424 |
6 | 101550505025 |
7 | 12325000565 |
oct | 2663735251 |
9 | 880123748 |
10 | 382712489 |
11 | 187038615 |
12 | a8205175 |
13 | 6139a9c3 |
14 | 38b846a5 |
15 | 238eb45e |
hex | 16cfbaa9 |
382712489 has 2 divisors, whose sum is σ = 382712490. Its totient is φ = 382712488.
The previous prime is 382712471. The next prime is 382712521. The reversal of 382712489 is 984217283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 313573264 + 69139225 = 17708^2 + 8315^2 .
It is a cyclic number.
It is not a de Polignac number, because 382712489 - 28 = 382712233 is a prime.
It is not a weakly prime, because it can be changed into another prime (382712089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191356244 + 191356245.
It is an arithmetic number, because the mean of its divisors is an integer number (191356245).
Almost surely, 2382712489 is an apocalyptic number.
It is an amenable number.
382712489 is a deficient number, since it is larger than the sum of its proper divisors (1).
382712489 is an equidigital number, since it uses as much as digits as its factorization.
382712489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 193536, while the sum is 44.
The square root of 382712489 is about 19563.0388488087. The cubic root of 382712489 is about 726.0349793547.
The spelling of 382712489 in words is "three hundred eighty-two million, seven hundred twelve thousand, four hundred eighty-nine".
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