Base | Representation |
---|---|
bin | 1110100101101000111 |
3 | 220021201120 |
4 | 1310231013 |
5 | 110244043 |
6 | 14125023 |
7 | 4030440 |
oct | 1645507 |
9 | 807646 |
10 | 478023 |
11 | 2a7167 |
12 | 1b0773 |
13 | 139770 |
14 | c62c7 |
15 | 96983 |
hex | 74b47 |
478023 has 32 divisors (see below), whose sum is σ = 838656. Its totient is φ = 235008.
The previous prime is 478001. The next prime is 478039. The reversal of 478023 is 320874.
478023 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 478023 - 25 = 477991 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 477984 and 478002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (478063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4590 + ... + 4692.
It is an arithmetic number, because the mean of its divisors is an integer number (26208).
2478023 is an apocalyptic number.
478023 is a deficient number, since it is larger than the sum of its proper divisors (360633).
478023 is a wasteful number, since it uses less digits than its factorization.
478023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 478023 is about 691.3920740072. The cubic root of 478023 is about 78.1897091614.
Adding to 478023 its reverse (320874), we get a palindrome (798897).
The spelling of 478023 in words is "four hundred seventy-eight thousand, twenty-three".
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