Base | Representation |
---|---|
bin | 10110101001011… |
… | …111000111111111 |
3 | 222110222200112102 |
4 | 112221133013333 |
5 | 1234233133033 |
6 | 101412055315 |
7 | 12262504223 |
oct | 2651370777 |
9 | 873880472 |
10 | 379974143 |
11 | 18553821a |
12 | a730453b |
13 | 6094c493 |
14 | 38670783 |
15 | 23559de8 |
hex | 16a5f1ff |
379974143 has 2 divisors, whose sum is σ = 379974144. Its totient is φ = 379974142.
The previous prime is 379974113. The next prime is 379974163. The reversal of 379974143 is 341479973.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 379974143 - 28 = 379973887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (379974113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189987071 + 189987072.
It is an arithmetic number, because the mean of its divisors is an integer number (189987072).
Almost surely, 2379974143 is an apocalyptic number.
379974143 is a deficient number, since it is larger than the sum of its proper divisors (1).
379974143 is an equidigital number, since it uses as much as digits as its factorization.
379974143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 571536, while the sum is 47.
The square root of 379974143 is about 19492.9254602792. The cubic root of 379974143 is about 724.2992153491.
The spelling of 379974143 in words is "three hundred seventy-nine million, nine hundred seventy-four thousand, one hundred forty-three".
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