Base | Representation |
---|---|
bin | 10010001111010110101101 |
3 | 22222220222001 |
4 | 102033112231 |
5 | 2211001420 |
6 | 250252301 |
7 | 55433122 |
oct | 22172655 |
9 | 8886861 |
10 | 4781485 |
11 | 2776445 |
12 | 1727091 |
13 | cb54a7 |
14 | 8c6749 |
15 | 646b0a |
hex | 48f5ad |
4781485 has 12 divisors (see below), whose sum is σ = 5856084. Its totient is φ = 3747840.
The previous prime is 4781449. The next prime is 4781489. The reversal of 4781485 is 5841874.
It can be written as a sum of positive squares in 6 ways, for example, as 546121 + 4235364 = 739^2 + 2058^2 .
It is not a de Polignac number, because 4781485 - 29 = 4780973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4781489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18477 + ... + 18733.
It is an arithmetic number, because the mean of its divisors is an integer number (488007).
Almost surely, 24781485 is an apocalyptic number.
It is an amenable number.
4781485 is a deficient number, since it is larger than the sum of its proper divisors (1074599).
4781485 is an equidigital number, since it uses as much as digits as its factorization.
4781485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384 (or 323 counting only the distinct ones).
The product of its digits is 35840, while the sum is 37.
The square root of 4781485 is about 2186.6606961301. The cubic root of 4781485 is about 168.4693625378.
The spelling of 4781485 in words is "four million, seven hundred eighty-one thousand, four hundred eighty-five".
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