Base | Representation |
---|---|
bin | 11100111110011… |
… | …111100011101111 |
3 | 1020212202200112012 |
4 | 130332133203233 |
5 | 1443423103424 |
6 | 120123431435 |
7 | 15022105100 |
oct | 3476374357 |
9 | 1225680465 |
10 | 486144239 |
11 | 22a4633a9 |
12 | 11698557b |
13 | 79943519 |
14 | 487ca3a7 |
15 | 2ca2cb0e |
hex | 1cf9f8ef |
486144239 has 6 divisors (see below), whose sum is σ = 565514784. Its totient is φ = 416695020.
The previous prime is 486144233. The next prime is 486144293. The reversal of 486144239 is 932441684.
It is not a de Polignac number, because 486144239 - 224 = 469367023 is a prime.
It is a super-2 number, since 2×4861442392 = 472672442225778242, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 486144196 and 486144205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (486144233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4960607 + ... + 4960704.
It is an arithmetic number, because the mean of its divisors is an integer number (94252464).
Almost surely, 2486144239 is an apocalyptic number.
486144239 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
486144239 is a deficient number, since it is larger than the sum of its proper divisors (79370545).
486144239 is an equidigital number, since it uses as much as digits as its factorization.
486144239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9921325 (or 9921318 counting only the distinct ones).
The product of its digits is 165888, while the sum is 41.
The square root of 486144239 is about 22048.6788493098. The cubic root of 486144239 is about 786.3001910461.
The spelling of 486144239 in words is "four hundred eighty-six million, one hundred forty-four thousand, two hundred thirty-nine".
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