Base | Representation |
---|---|
bin | 10110110010001… |
… | …001101000001101 |
3 | 222122021002002122 |
4 | 112302021220031 |
5 | 1240323323024 |
6 | 101532502325 |
7 | 12321014021 |
oct | 2662115015 |
9 | 878232078 |
10 | 382245389 |
11 | 186849689 |
12 | a801a9a5 |
13 | 61266206 |
14 | 38aa2381 |
15 | 23857d5e |
hex | 16c89a0d |
382245389 has 2 divisors, whose sum is σ = 382245390. Its totient is φ = 382245388.
The previous prime is 382245343. The next prime is 382245421. The reversal of 382245389 is 983542283.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 380640100 + 1605289 = 19510^2 + 1267^2 .
It is a cyclic number.
It is not a de Polignac number, because 382245389 - 28 = 382245133 is a prime.
It is a super-2 number, since 2×3822453892 = 292223074823522642, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (382245989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191122694 + 191122695.
It is an arithmetic number, because the mean of its divisors is an integer number (191122695).
Almost surely, 2382245389 is an apocalyptic number.
It is an amenable number.
382245389 is a deficient number, since it is larger than the sum of its proper divisors (1).
382245389 is an equidigital number, since it uses as much as digits as its factorization.
382245389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 414720, while the sum is 44.
The square root of 382245389 is about 19551.0968746002. The cubic root of 382245389 is about 725.7394842491.
The spelling of 382245389 in words is "three hundred eighty-two million, two hundred forty-five thousand, three hundred eighty-nine".
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