Base | Representation |
---|---|
bin | 1011100101110… |
… | …1001000110001 |
3 | 10101110221121001 |
4 | 2321131020301 |
5 | 44421202420 |
6 | 4454002001 |
7 | 1130141365 |
oct | 271351061 |
9 | 111427531 |
10 | 48615985 |
11 | 25495a00 |
12 | 14346301 |
13 | a0c2472 |
14 | 66572a5 |
15 | 4404b0a |
hex | 2e5d231 |
48615985 has 24 divisors (see below), whose sum is σ = 64810368. Its totient is φ = 34980000.
The previous prime is 48615979. The next prime is 48615989. The reversal of 48615985 is 58951684.
48615985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 48615985 - 25 = 48615953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48615989) 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 23 ways as a sum of consecutive naturals, for example, 64360 + ... + 65110.
It is an arithmetic number, because the mean of its divisors is an integer number (2700432).
Almost surely, 248615985 is an apocalyptic number.
It is an amenable number.
48615985 is a deficient number, since it is larger than the sum of its proper divisors (16194383).
48615985 is a wasteful number, since it uses less digits than its factorization.
48615985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 885 (or 874 counting only the distinct ones).
The product of its digits is 345600, while the sum is 46.
The square root of 48615985 is about 6972.5164037096. The cubic root of 48615985 is about 364.9721252248.
It can be divided in two parts, 486 and 15985, that added together give a triangular number (16471 = T181).
The spelling of 48615985 in words is "forty-eight million, six hundred fifteen thousand, nine hundred eighty-five".
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