Base | Representation |
---|---|
bin | 10110101001000… |
… | …101011010110001 |
3 | 222110210100002122 |
4 | 112221011122301 |
5 | 1234221300344 |
6 | 101405524025 |
7 | 12261555233 |
oct | 2651053261 |
9 | 873710078 |
10 | 379868849 |
11 | 1854760a8 |
12 | a7273615 |
13 | 60913589 |
14 | 38644253 |
15 | 23538aee |
hex | 16a456b1 |
379868849 has 2 divisors, whose sum is σ = 379868850. Its totient is φ = 379868848.
The previous prime is 379868809. The next prime is 379868903. The reversal of 379868849 is 948868973.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 274498624 + 105370225 = 16568^2 + 10265^2 .
It is a cyclic number.
It is not a de Polignac number, because 379868849 - 224 = 363091633 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 379868791 and 379868800.
It is not a weakly prime, because it can be changed into another prime (379868809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189934424 + 189934425.
It is an arithmetic number, because the mean of its divisors is an integer number (189934425).
Almost surely, 2379868849 is an apocalyptic number.
It is an amenable number.
379868849 is a deficient number, since it is larger than the sum of its proper divisors (1).
379868849 is an equidigital number, since it uses as much as digits as its factorization.
379868849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 20901888, while the sum is 62.
The square root of 379868849 is about 19490.2244471427. The cubic root of 379868849 is about 724.2323060531.
The spelling of 379868849 in words is "three hundred seventy-nine million, eight hundred sixty-eight thousand, eight hundred forty-nine".
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