Base | Representation |
---|---|
bin | 1011100111100… |
… | …0011111010001 |
3 | 10101200122021101 |
4 | 2321320133101 |
5 | 44433244032 |
6 | 4500224401 |
7 | 1131116122 |
oct | 271703721 |
9 | 111618241 |
10 | 48728017 |
11 | 25562098 |
12 | 1439b101 |
13 | a131460 |
14 | 6686049 |
15 | 4427de7 |
hex | 2e787d1 |
48728017 has 4 divisors (see below), whose sum is σ = 52476340. Its totient is φ = 44979696.
The previous prime is 48728003. The next prime is 48728021. The reversal of 48728017 is 71082784.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 30074256 + 18653761 = 5484^2 + 4319^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48728017 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48728117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874142 + ... + 1874167.
It is an arithmetic number, because the mean of its divisors is an integer number (13119085).
Almost surely, 248728017 is an apocalyptic number.
It is an amenable number.
48728017 is a deficient number, since it is larger than the sum of its proper divisors (3748323).
48728017 is a wasteful number, since it uses less digits than its factorization.
48728017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3748322.
The product of its (nonzero) digits is 25088, while the sum is 37.
The square root of 48728017 is about 6980.5456090480. The cubic root of 48728017 is about 365.2522607196.
The spelling of 48728017 in words is "forty-eight million, seven hundred twenty-eight thousand, seventeen".
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