Base | Representation |
---|---|
bin | 1011101111001… |
… | …0101010000101 |
3 | 10102122001200212 |
4 | 2323302222011 |
5 | 100100302141 |
6 | 4515045205 |
7 | 1135302044 |
oct | 273625205 |
9 | 112561625 |
10 | 49228421 |
11 | 25874050 |
12 | 145a0805 |
13 | a278158 |
14 | 677655b |
15 | 44c62eb |
hex | 2ef2a85 |
49228421 has 16 divisors (see below), whose sum is σ = 55334400. Its totient is φ = 43409520.
The previous prime is 49228409. The next prime is 49228423. The reversal of 49228421 is 12482294.
It is a happy number.
It is not a de Polignac number, because 49228421 - 26 = 49228357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49228423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93866 + ... + 94388.
It is an arithmetic number, because the mean of its divisors is an integer number (3458400).
Almost surely, 249228421 is an apocalyptic number.
It is an amenable number.
49228421 is a deficient number, since it is larger than the sum of its proper divisors (6105979).
49228421 is a wasteful number, since it uses less digits than its factorization.
49228421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776.
The product of its digits is 9216, while the sum is 32.
The square root of 49228421 is about 7016.2968152723. The cubic root of 49228421 is about 366.4983035122.
The spelling of 49228421 in words is "forty-nine million, two hundred twenty-eight thousand, four hundred twenty-one".
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