Base | Representation |
---|---|
bin | 10111010001011… |
… | …010000011001111 |
3 | 1000012200100210010 |
4 | 113101122003033 |
5 | 1244423022434 |
6 | 102424244303 |
7 | 12450451320 |
oct | 2721320317 |
9 | 1005610703 |
10 | 390439119 |
11 | 190435764 |
12 | aa910693 |
13 | 62b74885 |
14 | 39bd6447 |
15 | 244259e9 |
hex | 1745a0cf |
390439119 has 16 divisors (see below), whose sum is σ = 629952768. Its totient is φ = 209983872.
The previous prime is 390439111. The next prime is 390439169. The reversal of 390439119 is 911934093.
It is not a de Polignac number, because 390439119 - 23 = 390439111 is a prime.
It is a super-2 number, since 2×3904391192 = 304885411290992322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390439111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546477 + ... + 547190.
It is an arithmetic number, because the mean of its divisors is an integer number (39372048).
Almost surely, 2390439119 is an apocalyptic number.
390439119 is a deficient number, since it is larger than the sum of its proper divisors (239513649).
390439119 is a wasteful number, since it uses less digits than its factorization.
390439119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1093694.
The product of its (nonzero) digits is 26244, while the sum is 39.
The square root of 390439119 is about 19759.5323578267. The cubic root of 390439119 is about 730.8884653636. Note that the first 3 decimals are identical.
The spelling of 390439119 in words is "three hundred ninety million, four hundred thirty-nine thousand, one hundred nineteen".
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