Base | Representation |
---|---|
bin | 1011011111101… |
… | …0001011111001 |
3 | 10100201100121210 |
4 | 2313322023321 |
5 | 44320220211 |
6 | 4441153333 |
7 | 1123532631 |
oct | 267721371 |
9 | 110640553 |
10 | 48210681 |
11 | 25239442 |
12 | 1418b849 |
13 | 9cacb3c |
14 | 658d6c1 |
15 | 43749a6 |
hex | 2dfa2f9 |
48210681 has 4 divisors (see below), whose sum is σ = 64280912. Its totient is φ = 32140452.
The previous prime is 48210671. The next prime is 48210689. The reversal of 48210681 is 18601284.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 48210681 - 214 = 48194297 is a prime.
It is a super-2 number, since 2×482106812 = 4648539524967522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48210689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8035111 + ... + 8035116.
It is an arithmetic number, because the mean of its divisors is an integer number (16070228).
Almost surely, 248210681 is an apocalyptic number.
It is an amenable number.
48210681 is a deficient number, since it is larger than the sum of its proper divisors (16070231).
48210681 is a wasteful number, since it uses less digits than its factorization.
48210681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16070230.
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 48210681 is about 6943.3911743470. The cubic root of 48210681 is about 363.9550547291.
The spelling of 48210681 in words is "forty-eight million, two hundred ten thousand, six hundred eighty-one".
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