Base | Representation |
---|---|
bin | 11010000111111… |
… | …111001011000011 |
3 | 1010112202000110102 |
4 | 122013333023003 |
5 | 1344201121004 |
6 | 111254153015 |
7 | 13601333405 |
oct | 3207771303 |
9 | 1115660412 |
10 | 438301379 |
11 | 20545634a |
12 | 10295276b |
13 | 6ca61c39 |
14 | 422d4b75 |
15 | 2872c11e |
hex | 1a1ff2c3 |
438301379 has 2 divisors, whose sum is σ = 438301380. Its totient is φ = 438301378.
The previous prime is 438301373. The next prime is 438301397. The reversal of 438301379 is 973103834.
Together with next prime (438301397) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 438301379 - 212 = 438297283 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (438301373) 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 as a sum of consecutive naturals, namely, 219150689 + 219150690.
It is an arithmetic number, because the mean of its divisors is an integer number (219150690).
Almost surely, 2438301379 is an apocalyptic number.
438301379 is a deficient number, since it is larger than the sum of its proper divisors (1).
438301379 is an equidigital number, since it uses as much as digits as its factorization.
438301379 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54432, while the sum is 38.
The square root of 438301379 is about 20935.6485211230. The cubic root of 438301379 is about 759.6104761758.
The spelling of 438301379 in words is "four hundred thirty-eight million, three hundred one thousand, three hundred seventy-nine".
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