Base | Representation |
---|---|
bin | 11010011101110… |
… | …001101001000011 |
3 | 1010221111012111111 |
4 | 122131301221003 |
5 | 1402131404443 |
6 | 112020424151 |
7 | 14001022621 |
oct | 3235615103 |
9 | 1127435444 |
10 | 444013123 |
11 | 2086a76a4 |
12 | 104848057 |
13 | 70cb1978 |
14 | 42d80511 |
15 | 28ea969d |
hex | 1a771a43 |
444013123 has 8 divisors (see below), whose sum is σ = 471255840. Its totient is φ = 416895360.
The previous prime is 444013057. The next prime is 444013139. The reversal of 444013123 is 321310444.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-444013123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 444013094 and 444013103.
It is not an unprimeable number, because it can be changed into a prime (444013153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23863 + ... + 38176.
It is an arithmetic number, because the mean of its divisors is an integer number (58906980).
Almost surely, 2444013123 is an apocalyptic number.
444013123 is a deficient number, since it is larger than the sum of its proper divisors (27242717).
444013123 is a wasteful number, since it uses less digits than its factorization.
444013123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62477.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 444013123 is about 21071.6188984140. The cubic root of 444013123 is about 762.8958785653.
Adding to 444013123 its reverse (321310444), we get a palindrome (765323567).
It can be divided in two parts, 44401 and 3123, that added together give a square (47524 = 2182).
The spelling of 444013123 in words is "four hundred forty-four million, thirteen thousand, one hundred twenty-three".
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