Base | Representation |
---|---|
bin | 10001101100000… |
… | …01111011000011 |
3 | 101100012112222122 |
4 | 20312001323003 |
5 | 300441201004 |
6 | 22420154455 |
7 | 3451135526 |
oct | 1066017303 |
9 | 340175878 |
10 | 148381379 |
11 | 76837143 |
12 | 41838a2b |
13 | 24983243 |
14 | 159c6bbd |
15 | d05ecbe |
hex | 8d81ec3 |
148381379 has 2 divisors, whose sum is σ = 148381380. Its totient is φ = 148381378.
The previous prime is 148381369. The next prime is 148381391. The reversal of 148381379 is 973183841.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 148381379 - 212 = 148377283 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (148381309) 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, 74190689 + 74190690.
It is an arithmetic number, because the mean of its divisors is an integer number (74190690).
Almost surely, 2148381379 is an apocalyptic number.
148381379 is a deficient number, since it is larger than the sum of its proper divisors (1).
148381379 is an equidigital number, since it uses as much as digits as its factorization.
148381379 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 145152, while the sum is 44.
The square root of 148381379 is about 12181.1895560327. The cubic root of 148381379 is about 529.4112115770.
The spelling of 148381379 in words is "one hundred forty-eight million, three hundred eighty-one thousand, three hundred seventy-nine".
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