Base | Representation |
---|---|
bin | 10111100010000… |
… | …101011011101111 |
3 | 1000111220111001001 |
4 | 113202011123233 |
5 | 1302032423434 |
6 | 103102101131 |
7 | 12532560553 |
oct | 2742053357 |
9 | 1014814031 |
10 | 394811119 |
11 | 19295148a |
12 | b027a7a7 |
13 | 63a45861 |
14 | 3a613863 |
15 | 249db114 |
hex | 178856ef |
394811119 has 4 divisors (see below), whose sum is σ = 394851744. Its totient is φ = 394770496.
The previous prime is 394811113. The next prime is 394811141. The reversal of 394811119 is 911118493.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-394811119 is a prime.
It is a super-2 number, since 2×3948111192 = 311751639372064322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (394811113) 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, 3834 + ... + 28360.
It is an arithmetic number, because the mean of its divisors is an integer number (98712936).
Almost surely, 2394811119 is an apocalyptic number.
394811119 is a deficient number, since it is larger than the sum of its proper divisors (40625).
394811119 is a wasteful number, since it uses less digits than its factorization.
394811119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40624.
The product of its digits is 7776, while the sum is 37.
The square root of 394811119 is about 19869.8545289089. The cubic root of 394811119 is about 733.6064229229.
The spelling of 394811119 in words is "three hundred ninety-four million, eight hundred eleven thousand, one hundred nineteen".
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