Base | Representation |
---|---|
bin | 10111100011000… |
… | …110111011010011 |
3 | 1000112102010000121 |
4 | 113203012323103 |
5 | 1302120020004 |
6 | 103111531111 |
7 | 12535055632 |
oct | 2743067323 |
9 | 1015363017 |
10 | 395079379 |
11 | 193014a92 |
12 | b0389a97 |
13 | 63b0a9a6 |
14 | 3a683519 |
15 | 24a40854 |
hex | 178c6ed3 |
395079379 has 4 divisors (see below), whose sum is σ = 397262320. Its totient is φ = 392896440.
The previous prime is 395079359. The next prime is 395079409. The reversal of 395079379 is 973970593.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973970593 = 181 ⋅5381053.
It is a cyclic number.
It is not a de Polignac number, because 395079379 - 215 = 395046611 is a prime.
It is a super-2 number, since 2×3950793792 = 312175431422051282, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (395079359) 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 in 3 ways as a sum of consecutive naturals, for example, 1091199 + ... + 1091560.
It is an arithmetic number, because the mean of its divisors is an integer number (99315580).
Almost surely, 2395079379 is an apocalyptic number.
395079379 is a deficient number, since it is larger than the sum of its proper divisors (2182941).
395079379 is a wasteful number, since it uses less digits than its factorization.
395079379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2182940.
The product of its (nonzero) digits is 1607445, while the sum is 52.
The square root of 395079379 is about 19876.6038095043. The cubic root of 395079379 is about 733.7725383927.
The spelling of 395079379 in words is "three hundred ninety-five million, seventy-nine thousand, three hundred seventy-nine".
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