Base | Representation |
---|---|
bin | 1011011111111… |
… | …0001110010101 |
3 | 10100202012022101 |
4 | 2313332032111 |
5 | 44321232341 |
6 | 4441402101 |
7 | 1123632100 |
oct | 267761625 |
9 | 110665271 |
10 | 48227221 |
11 | 2524a909 |
12 | 14199331 |
13 | 9cb7523 |
14 | 6595737 |
15 | 4379831 |
hex | 2dfe395 |
48227221 has 12 divisors (see below), whose sum is σ = 56223660. Its totient is φ = 41247360.
The previous prime is 48227167. The next prime is 48227239. The reversal of 48227221 is 12272284.
It can be written as a sum of positive squares in 2 ways, for example, as 24354225 + 23872996 = 4935^2 + 4886^2 .
It is not a de Polignac number, because 48227221 - 217 = 48096149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 48227221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48227281) 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 11 ways as a sum of consecutive naturals, for example, 31645 + ... + 33133.
It is an arithmetic number, because the mean of its divisors is an integer number (4685305).
Almost surely, 248227221 is an apocalyptic number.
It is an amenable number.
48227221 is a deficient number, since it is larger than the sum of its proper divisors (7996439).
48227221 is a wasteful number, since it uses less digits than its factorization.
48227221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2164 (or 2157 counting only the distinct ones).
The product of its digits is 3584, while the sum is 28.
The square root of 48227221 is about 6944.5821328572. The cubic root of 48227221 is about 363.9966715672.
The spelling of 48227221 in words is "forty-eight million, two hundred twenty-seven thousand, two hundred twenty-one".
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