Base | Representation |
---|---|
bin | 1011101011101… |
… | …0111000111001 |
3 | 10102012110100120 |
4 | 2322322320321 |
5 | 100020444433 |
6 | 4510123453 |
7 | 1133331060 |
oct | 272727071 |
9 | 112173316 |
10 | 48999993 |
11 | 25728469 |
12 | 144b0589 |
13 | a1c81a3 |
14 | 67171d7 |
15 | 447d7b3 |
hex | 2ebae39 |
48999993 has 32 divisors (see below), whose sum is σ = 79088640. Its totient is φ = 26360640.
The previous prime is 48999989. The next prime is 49000027. The reversal of 48999993 is 39999984.
It is not a de Polignac number, because 48999993 - 22 = 48999989 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48999983) 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, 90303 + ... + 90843.
It is an arithmetic number, because the mean of its divisors is an integer number (2471520).
Almost surely, 248999993 is an apocalyptic number.
It is an amenable number.
48999993 is a deficient number, since it is larger than the sum of its proper divisors (30088647).
48999993 is a wasteful number, since it uses less digits than its factorization.
48999993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 797.
The product of its digits is 5668704, while the sum is 60.
The square root of 48999993 is about 6999.9995000000. Note that the first 3 decimals coincide. The cubic root of 48999993 is about 365.9305535770.
Subtracting from 48999993 its reverse (39999984), we obtain a palindrome (9000009).
The spelling of 48999993 in words is "forty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-three".
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