Base | Representation |
---|---|
bin | 1011100110110… |
… | …1001000101001 |
3 | 10101121021111000 |
4 | 2321231020221 |
5 | 44430302023 |
6 | 4455225213 |
7 | 1130533416 |
oct | 271551051 |
9 | 111537430 |
10 | 48681513 |
11 | 25530161 |
12 | 14378209 |
13 | a11623a |
14 | 667310d |
15 | 4419243 |
hex | 2e6d229 |
48681513 has 16 divisors (see below), whose sum is σ = 72693760. Its totient is φ = 32196528.
The previous prime is 48681509. The next prime is 48681527. The reversal of 48681513 is 31518684.
48681513 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 48681513 - 22 = 48681509 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (48681533) 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 15 ways as a sum of consecutive naturals, for example, 3670 + ... + 10527.
It is an arithmetic number, because the mean of its divisors is an integer number (4543360).
Almost surely, 248681513 is an apocalyptic number.
It is an amenable number.
48681513 is a deficient number, since it is larger than the sum of its proper divisors (24012247).
48681513 is a wasteful number, since it uses less digits than its factorization.
48681513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14333 (or 14327 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 48681513 is about 6977.2138422152. The cubic root of 48681513 is about 365.1360298629.
It can be divided in two parts, 48681 and 513, that added together give a palindrome (49194).
The spelling of 48681513 in words is "forty-eight million, six hundred eighty-one thousand, five hundred thirteen".
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