Base | Representation |
---|---|
bin | 1011100110100… |
… | …1101001010101 |
3 | 10101120112212200 |
4 | 2321221221111 |
5 | 44424322341 |
6 | 4455035113 |
7 | 1130443641 |
oct | 271515125 |
9 | 111515780 |
10 | 48667221 |
11 | 25520449 |
12 | 1436ba99 |
13 | a10c895 |
14 | 666bc21 |
15 | 4414db6 |
hex | 2e69a55 |
48667221 has 6 divisors (see below), whose sum is σ = 70297110. Its totient is φ = 32444808.
The previous prime is 48667219. The next prime is 48667253. The reversal of 48667221 is 12276684.
It can be written as a sum of positive squares in only one way, i.e., 38266596 + 10400625 = 6186^2 + 3225^2 .
It is not a de Polignac number, because 48667221 - 21 = 48667219 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48617221) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2703726 + ... + 2703743.
It is an arithmetic number, because the mean of its divisors is an integer number (11716185).
Almost surely, 248667221 is an apocalyptic number.
It is an amenable number.
48667221 is a deficient number, since it is larger than the sum of its proper divisors (21629889).
48667221 is a wasteful number, since it uses less digits than its factorization.
48667221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5407475 (or 5407472 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 48667221 is about 6976.1895759791. The cubic root of 48667221 is about 365.1002939501.
The spelling of 48667221 in words is "forty-eight million, six hundred sixty-seven thousand, two hundred twenty-one".
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