Base | Representation |
---|---|
bin | 1011100111100… |
… | …1011011011001 |
3 | 10101200211112220 |
4 | 2321321123121 |
5 | 44433404430 |
6 | 4500254253 |
7 | 1131133260 |
oct | 271713331 |
9 | 111624486 |
10 | 48731865 |
11 | 25564a76 |
12 | 143a1389 |
13 | a133130 |
14 | 66875d7 |
15 | 4429110 |
hex | 2e796d9 |
48731865 has 64 divisors (see below), whose sum is σ = 101068800. Its totient is φ = 19471104.
The previous prime is 48731833. The next prime is 48731867. The reversal of 48731865 is 56813784.
It is not a de Polignac number, because 48731865 - 25 = 48731833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48731867) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24996 + ... + 26874.
It is an arithmetic number, because the mean of its divisors is an integer number (1579200).
Almost surely, 248731865 is an apocalyptic number.
It is an amenable number.
48731865 is an abundant number, since it is smaller than the sum of its proper divisors (52336935).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48731865 is a wasteful number, since it uses less digits than its factorization.
48731865 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1926.
The product of its digits is 161280, while the sum is 42.
The square root of 48731865 is about 6980.8212267612. The cubic root of 48731865 is about 365.2618749949.
The spelling of 48731865 in words is "forty-eight million, seven hundred thirty-one thousand, eight hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •