Base | Representation |
---|---|
bin | 1011100011000… |
… | …0000110010001 |
3 | 10101010120112110 |
4 | 2320300012101 |
5 | 44344302010 |
6 | 4450015533 |
7 | 1125442503 |
oct | 270600621 |
9 | 111116473 |
10 | 48431505 |
11 | 2537a341 |
12 | 142775a9 |
13 | a0594c5 |
14 | 6609d73 |
15 | 43ba120 |
hex | 2e30191 |
48431505 has 16 divisors (see below), whose sum is σ = 77578560. Its totient is φ = 25800768.
The previous prime is 48431501. The next prime is 48431531. The reversal of 48431505 is 50513484.
It is not a de Polignac number, because 48431505 - 22 = 48431501 is a prime.
It is a super-3 number, since 3×484315053 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (48431501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20779 + ... + 22991.
It is an arithmetic number, because the mean of its divisors is an integer number (4848660).
Almost surely, 248431505 is an apocalyptic number.
It is an amenable number.
48431505 is a deficient number, since it is larger than the sum of its proper divisors (29147055).
48431505 is a wasteful number, since it uses less digits than its factorization.
48431505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3680.
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 48431505 is about 6959.2747466960. The cubic root of 48431505 is about 364.5098945269.
Adding to 48431505 its reverse (50513484), we get a palindrome (98944989).
The spelling of 48431505 in words is "forty-eight million, four hundred thirty-one thousand, five hundred five".
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