Base | Representation |
---|---|
bin | 1011100100101… |
… | …0001010101001 |
3 | 10101100000000010 |
4 | 2321022022221 |
5 | 44411211111 |
6 | 4452202133 |
7 | 1126366011 |
oct | 271121251 |
9 | 111300003 |
10 | 48538281 |
11 | 25442590 |
12 | 14309349 |
13 | a095c9c |
14 | 6636c41 |
15 | 43dbaa6 |
hex | 2e4a2a9 |
48538281 has 32 divisors (see below), whose sum is σ = 77193216. Its totient is φ = 26784000.
The previous prime is 48538267. The next prime is 48538309. The reversal of 48538281 is 18283584.
It is not a de Polignac number, because 48538281 - 213 = 48530089 is a prime.
It is a super-2 number, since 2×485382812 = 4711929444869922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48538261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15996 + ... + 18786.
It is an arithmetic number, because the mean of its divisors is an integer number (2412288).
Almost surely, 248538281 is an apocalyptic number.
It is an amenable number.
48538281 is a deficient number, since it is larger than the sum of its proper divisors (28654935).
48538281 is a wasteful number, since it uses less digits than its factorization.
48538281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2853.
The product of its digits is 61440, while the sum is 39.
The square root of 48538281 is about 6966.9420121026. The cubic root of 48538281 is about 364.7775738729. Note that the first 3 decimals are identical.
The spelling of 48538281 in words is "forty-eight million, five hundred thirty-eight thousand, two hundred eighty-one".
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