Base | Representation |
---|---|
bin | 1011011111100… |
… | …0111111111101 |
3 | 10100201002221210 |
4 | 2313320333331 |
5 | 44320041241 |
6 | 4441115033 |
7 | 1123512516 |
oct | 267707775 |
9 | 110632853 |
10 | 48205821 |
11 | 25235824 |
12 | 14188a79 |
13 | 9caa871 |
14 | 658ba0d |
15 | 4373316 |
hex | 2df8ffd |
48205821 has 8 divisors (see below), whose sum is σ = 64706400. Its totient is φ = 31921232.
The previous prime is 48205813. The next prime is 48205823. The reversal of 48205821 is 12850284.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 48205821 - 23 = 48205813 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48205823) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53475 + ... + 54368.
It is an arithmetic number, because the mean of its divisors is an integer number (8088300).
Almost surely, 248205821 is an apocalyptic number.
It is an amenable number.
48205821 is a deficient number, since it is larger than the sum of its proper divisors (16500579).
48205821 is a wasteful number, since it uses less digits than its factorization.
48205821 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107995.
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 48205821 is about 6943.0411924459. The cubic root of 48205821 is about 363.9428245139.
The spelling of 48205821 in words is "forty-eight million, two hundred five thousand, eight hundred twenty-one".
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