Base | Representation |
---|---|
bin | 10110101001000… |
… | …100110010011001 |
3 | 222110210012112221 |
4 | 112221010302121 |
5 | 1234221210030 |
6 | 101405504041 |
7 | 12261544552 |
oct | 2651046231 |
9 | 873705487 |
10 | 379866265 |
11 | 185474169 |
12 | a7272021 |
13 | 6091234c |
14 | 38643329 |
15 | 23537e7a |
hex | 16a44c99 |
379866265 has 4 divisors (see below), whose sum is σ = 455839524. Its totient is φ = 303893008.
The previous prime is 379866251. The next prime is 379866269. The reversal of 379866265 is 562668973.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562668973 = 131 ⋅4295183.
It can be written as a sum of positive squares in 2 ways, for example, as 114404416 + 265461849 = 10696^2 + 16293^2 .
It is a cyclic number.
It is not a de Polignac number, because 379866265 - 25 = 379866233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (379866269) 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 in 3 ways as a sum of consecutive naturals, for example, 37986622 + ... + 37986631.
It is an arithmetic number, because the mean of its divisors is an integer number (113959881).
Almost surely, 2379866265 is an apocalyptic number.
It is an amenable number.
379866265 is a deficient number, since it is larger than the sum of its proper divisors (75973259).
379866265 is an equidigital number, since it uses as much as digits as its factorization.
379866265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75973258.
The product of its digits is 3265920, while the sum is 52.
The square root of 379866265 is about 19490.1581573881. The cubic root of 379866265 is about 724.2306638894.
The spelling of 379866265 in words is "three hundred seventy-nine million, eight hundred sixty-six thousand, two hundred sixty-five".
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